Upgrade Bazel to 9.1.1 (#7071)

.bazelrc

@@ -5,6 +5,10 @@ common --ui_event_filters=-INFO
 
 common --enable_bzlmod
 
+# Bazel 9 removes native rule symbols. Keep external repositories that still
+# reference native rules building while upstream module metadata catches up.
+common --incompatible_autoload_externally=+CcInfo,+JavaInfo,+ProtoInfo,+cc_binary,+cc_library,+cc_proto_library,+cc_test,+java_proto_library,+proto_library,+sh_test
+
 # Use pre-built protoc binary instead of compiling from source
 common --incompatible_enable_proto_toolchain_resolution
 common --@com_google_protobuf//bazel/toolchains:prefer_prebuilt_protoc=true
@@ -24,6 +28,8 @@ common --local_test_jobs=64
 common --jobs=64
 
 common --cxxopt="--std=c++23"
+common --cxxopt="-Wno-unknown-warning-option"
+common --cxxopt="-Wno-character-conversion"
 common --cxxopt="-Wno-deprecated-non-prototype"
 common --per_file_copt=src/test/cpp/.*@-Wno-sign-compare
 common --per_file_copt=src/test/cpp/.*@-Wno-deprecated-enum-compare

.bazelversion

@@ -1 +1 @@
-8.5.1
+9.1.1

MODULE.bazel

@@ -20,7 +20,7 @@ SLF4J_VERSION = "2.0.18"
 bazel_dep(name = "bazel_skylib", version = "1.9.0")
 bazel_dep(name = "aspect_rules_esbuild", version = "0.26.0")
 bazel_dep(name = "aspect_rules_js", version = "3.2.1")
-bazel_dep(name = "bazel_jar_jar", version = "0.1.7", repo_name = "bazel_jar_jar")
+bazel_dep(name = "bazel_jar_jar", version = "0.1.15", repo_name = "bazel_jar_jar")
 bazel_dep(name = "platforms", version = "1.1.0")
 bazel_dep(name = "rules_dotnet", version = "0.21.5")
 bazel_dep(name = "rules_foreign_cc", version = "0.15.1")