Update dependency rules_proto to v7

Author: renovatebot-confluentinc[bot]

scala/private/macros/scala_repositories.bzl

@@ -112,11 +112,11 @@ def rules_scala_setup(scala_compiler_srcjar = None):
     if not native.existing_rule("rules_proto"):
         http_archive(
             name = "rules_proto",
-            sha256 = "dc3fb206a2cb3441b485eb1e423165b231235a1ea9b031b4433cf7bc1fa460dd",
-            strip_prefix = "rules_proto-5.3.0-21.7",
+            sha256 = "0e5c64a2599a6e26c6a03d6162242d231ecc0de219534c38cb4402171def21e8",
+            strip_prefix = "rules_proto-7.0.2",
             urls = [
-                "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/refs/tags/5.3.0-21.7.tar.gz",
-                "https://github.com/bazelbuild/rules_proto/archive/refs/tags/5.3.0-21.7.tar.gz",
+                "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/refs/tags/7.0.2.tar.gz",
+                "https://github.com/bazelbuild/rules_proto/archive/refs/tags/7.0.2.tar.gz",
             ],
         )