chore(deps): update dependency rules_proto to v6

Author: renovate-bot

MODULE.bazel

@@ -10,7 +10,7 @@ bazel_dep(name = "aspect_rules_ts", version = "2.1.0")
 bazel_dep(name = "aspect_rules_esbuild", version = "0.16.0")
 bazel_dep(name = "bazel_skylib", version = "1.5.0")
 bazel_dep(name = "rules_pkg", version = "0.9.1")
-bazel_dep(name = "rules_proto", version = "5.3.0-21.7")
+bazel_dep(name = "rules_proto", version = "6.0.0-rc1")
 
 # Explicitly manage Go version.
 go_sdk = use_extension("@rules_go//go:extensions.bzl", "go_sdk")