Upgrade Scala 3.7.4, rules_scala 7.1.5, protobuf 33.0, grpc 1.76.0, Bazel 7.7.1 (#5871)

* Upgrade rules_scala 7.1.5, Scala 3.7.4, protobuf 32.1

- Update rules_scala from 7.1.1 to 7.1.5
- Update Scala from 3.7.2 to 3.7.4
- Update protobuf from 29.2 to 32.1 (required by rules_scala 7.1.5+)
- Add force_version for Maven dependency conflicts (gson, errorprone, guava)
- Update -Wconf pattern in tools/BUILD.bazel for Bazel 7/8 compatibility
- Add -Wno-deprecated-copy-with-dtor to suppress protobuf 32.x warning

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Add grpc 1.76.0, protobuf 33.0, and Bazel 7.7.1 compatibility fixes

- Upgrade grpc from 1.71.0 to 1.76.0.bcr.1 (required for protobuf 33.0)
- Upgrade protobuf from 32.1 to 33.0 (matches grpc 1.76.0 expectations)
- Upgrade Bazel from 7.6.1 to 7.7.1
- Add single_version_override for rules_swift 3.1.2 (grpc needs 3.x, rules_apple needs 2.x)
- Add --features=-module_maps workaround for grpc cf_event_engine macOS build issue

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

.bazelrc

@@ -29,6 +29,10 @@ common --javacopt="-Xlint:-options"
 # Use host_linkopt for macOS-specific flags to avoid passing them to Linux cross-compilation
 common:macos --host_linkopt=-Wl,-no_warn_duplicate_libraries
 
+# Workaround for grpc cf_event_engine build error on macOS with Bazel 7.x
+# See: https://github.com/grpc/grpc/issues/37619
+common:macos --features=-module_maps
+
 # Fix Xcode version caching issue - avoids need for `bazel clean --expunge` after Xcode updates
 common:macos --repo_env=DEVELOPER_DIR=/Applications/Xcode.app/Contents/Developer
 

.bazelversion

@@ -1 +1 @@
-7.6.1
+7.7.1

MODULE.bazel

@@ -1,7 +1,7 @@
 module(name = "net_eagle0")
 
 # Version constants
-SCALA_VERSION = "3.7.2"
+SCALA_VERSION = "3.7.4"
 
 NETTY_VERSION = "4.1.110.Final"
 
@@ -20,7 +20,7 @@ bazel_dep(name = "rules_pkg", version = "1.2.0")
 # Language Support - Scala
 #
 
-bazel_dep(name = "rules_scala", version = "7.1.1")
+bazel_dep(name = "rules_scala", version = "7.1.5")
 
 scala_config = use_extension(
     "@rules_scala//scala/extensions:config.bzl",
@@ -131,7 +131,13 @@ use_repo(
 
 bazel_dep(name = "apple_support", version = "1.21.1", repo_name = "build_bazel_apple_support")
 bazel_dep(name = "rules_apple", version = "4.3.3", repo_name = "build_bazel_rules_apple")
-bazel_dep(name = "rules_swift", version = "2.4.0", repo_name = "build_bazel_rules_swift")
+# rules_swift is a transitive dep of rules_apple and grpc
+# grpc 1.76.0+ requires rules_swift 3.x, but rules_apple 4.x requires 2.x
+# Force version 3.1.2 since we don't use rules_swift directly
+single_version_override(
+    module_name = "rules_swift",
+    version = "3.1.2",
+)
 
 # Register Apple CC toolchain for Objective-C compilation
 apple_cc_configure = use_extension(
@@ -144,8 +150,8 @@ use_repo(apple_cc_configure, "local_config_apple_cc")
 # Protocol Buffers & RPC
 #
 
-bazel_dep(name = "protobuf", version = "29.2", repo_name = "com_google_protobuf")
-bazel_dep(name = "grpc", version = "1.71.0")
+bazel_dep(name = "protobuf", version = "33.0", repo_name = "com_google_protobuf")
+bazel_dep(name = "grpc", version = "1.76.0.bcr.1")
 bazel_dep(name = "grpc-java", version = "1.71.0")
 bazel_dep(name = "flatbuffers", version = "25.9.23")
 
@@ -275,6 +281,27 @@ maven.install(
         "https://repo1.maven.org/maven2",
     ],
 )
+
+# Force specific versions for dependencies with conflicts between grpc-java and protobuf
+maven.artifact(
+    artifact = "gson",
+    force_version = True,
+    group = "com.google.code.gson",
+    version = "2.11.0",
+)
+maven.artifact(
+    artifact = "error_prone_annotations",
+    force_version = True,
+    group = "com.google.errorprone",
+    version = "2.30.0",
+)
+maven.artifact(
+    artifact = "guava",
+    force_version = True,
+    group = "com.google.guava",
+    version = "33.3.1-android",
+)
+
 use_repo(maven, "maven", "unpinned_maven")
 
 #

maven_install.json

@@ -1,9 +1,10 @@
 {
   "__AUTOGENERATED_FILE_DO_NOT_MODIFY_THIS_FILE_MANUALLY": "THERE_IS_NO_DATA_ONLY_ZUUL",
-  "__INPUT_ARTIFACTS_HASH": 434250008,
+  "__INPUT_ARTIFACTS_HASH": -2012456741,
   "__RESOLVED_ARTIFACTS_HASH": -824975294,
   "conflict_resolution": {
     "com.google.guava:failureaccess:1.0.1": "com.google.guava:failureaccess:1.0.2",
+    "com.google.j2objc:j2objc-annotations:2.8": "com.google.j2objc:j2objc-annotations:3.0.0",
     "com.squareup.okio:okio:2.10.0": "com.squareup.okio:okio:3.6.0",
     "io.netty:netty-buffer:4.1.110.Final": "io.netty:netty-buffer:4.1.130.Final",
     "io.netty:netty-codec-http2:4.1.110.Final": "io.netty:netty-codec-http2:4.1.130.Final",

tools/BUILD.bazel

@@ -31,7 +31,7 @@ scala_toolchain(
         # Also suppress duplicate flag warnings caused by rules_scala test_reporter
         # Suppress warnings from external deps, generated code, and some stylistic warnings
         # Suppress "unused value" warnings in test code since ScalaTest assertions work via side effects
-        "-Wconf:src=external/rules_scala~/.*:silent,src=external/protobuf~/.*:silent,msg=Flag.*set repeatedly:silent,msg=Compiler synthesis of Manifest:silent,src=.*_scalac/.*:silent,msg=interpolation uses toString:silent,msg=unused value of type org.scalatest:silent,msg=Could not verify that the method argument is transitively initialized:silent,msg=Problematic object instantiation:silent,msg=may cause initialization errors:silent",
+        "-Wconf:src=external/rules_scala.*/.*:silent,src=external/protobuf.*/.*:silent,msg=Flag.*set repeatedly:silent,msg=Compiler synthesis of Manifest:silent,src=.*_scalac/.*:silent,msg=interpolation uses toString:silent,msg=unused value of type org.scalatest:silent,msg=Could not verify that the method argument is transitively initialized:silent,msg=Problematic object instantiation:silent,msg=may cause initialization errors:silent",
         # Enable all warnings including exhaustive pattern matching checks
         "-Wall",
         "-Werror",

tools/copts.bzl

@@ -1,3 +1,4 @@
-COPTS = ["--std=c++23", "-Werror", "-Wall", "-Wextra", "-Wdeprecated"]
+# Suppress -Wdeprecated-copy-with-dtor after -Wdeprecated due to protobuf 32.x warning
+COPTS = ["--std=c++23", "-Werror", "-Wall", "-Wextra", "-Wdeprecated", "-Wno-deprecated-copy-with-dtor"]
 
 TEST_COPTS = COPTS + ["-Iexternal/gtest/include"]