chore(deps): update dependency rules_proto to v6.0.2

Author: renovate[bot]

src/MODULE.bazel

@@ -50,7 +50,7 @@ single_version_override(
 
 bazel_dep(name = "bazel_features", version = "1.38.0")
 bazel_dep(name = "platforms", version = "0.0.11")
-bazel_dep(name = "rules_proto", version = "6.0.0-rc1")
+bazel_dep(name = "rules_proto", version = "6.0.2")
 bazel_dep(name = "spdlog", version = "1.15.2")
 bazel_dep(name = "fmt", version = "11.1.4")
 bazel_dep(name = "abseil-cpp", version = "20250814.1")