chore(deps): update dependency rules_proto to v6.0.0-rc3

Author: renovate[bot]

MODULE.bazel

@@ -4,7 +4,7 @@ bazel_dep(name = "bazel_skylib", version = "1.5.0")
 
 bazel_dep(name = "rules_python", version = "0.31.0")
 
-bazel_dep(name = "rules_proto", version = "6.0.0-rc2")
+bazel_dep(name = "rules_proto", version = "6.0.0-rc3")
 
 bazel_dep(name = "platforms", version = "0.0.9")