chore(deps): update rules_proto digest to f9b0b88 (#1375)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| rules_proto | http_archive | digest | `493169c` -> `f9b0b88` |

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WORKSPACE.bazel

@@ -47,11 +47,11 @@ protobuf_deps()
 #
 http_archive(
   name = "rules_proto",
-  sha256 = "5d4cd6780634eb2ecafa091df8be8009d395f70a02f722e07e063883dd8af861",
-  strip_prefix = "rules_proto-493169c1199dc21b9da860f7040a4502aa174676",
+  sha256 = "f5ae0e582238fcd4ea3d0146a3f5f3db9517f8fe24491eab3c105ace53aad1bb",
+  strip_prefix = "rules_proto-f9b0b880d1e10e18daeeb168cef9d0f8316fdcb5",
   urls = [
-    "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/493169c1199dc21b9da860f7040a4502aa174676.tar.gz",
-    "https://github.com/bazelbuild/rules_proto/archive/493169c1199dc21b9da860f7040a4502aa174676.tar.gz",
+    "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/f9b0b880d1e10e18daeeb168cef9d0f8316fdcb5.tar.gz",
+    "https://github.com/bazelbuild/rules_proto/archive/f9b0b880d1e10e18daeeb168cef9d0f8316fdcb5.tar.gz",
   ],
 )
 load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies", "rules_proto_toolchains")