gazelle: build_external static

Author: pcj

BUILD.bazel

@@ -30,6 +30,7 @@ gazelle_binary(
 proto_gazelle(
     name = "gazelle",
     cfgs = [":rules_proto_config.yaml"],
+    external = "static",
     gazelle = ":gazelle-protobuf",
     imports = [
         "@googleapis//:imports.csv",

tools/BUILD.bazel

@@ -1,7 +1,5 @@
 load("@buildifier_prebuilt//:rules.bzl", "buildifier", "buildifier_test")
 
-# gazelle:exclude_from_release
-
 buildifier(
     name = "buildifier.fix",
     diff_command = "diff",