Update dependency rules_proto to v7

Author: renovate[bot]

WORKSPACE

@@ -8,9 +8,9 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
     name = "rules_proto",
-    sha256 = "6fb6767d1bef535310547e03247f7518b03487740c11b6c6adb7952033fe1295",
-    strip_prefix = "rules_proto-6.0.2",
-    url = "https://github.com/bazelbuild/rules_proto/releases/download/6.0.2/rules_proto-6.0.2.tar.gz",
+    sha256 = "0e5c64a2599a6e26c6a03d6162242d231ecc0de219534c38cb4402171def21e8",
+    strip_prefix = "rules_proto-7.0.2",
+    url = "https://github.com/bazelbuild/rules_proto/releases/download/7.0.2/rules_proto-7.0.2.tar.gz",
 )
 
 load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies")