style: enforce buildifier lint on CI (#28186)

PR Close #28186

integration/bazel/src/BUILD.bazel

@@ -5,6 +5,8 @@ load("@build_bazel_rules_nodejs//:defs.bzl", "http_server", "nodejs_binary", "ro
 load("@build_bazel_rules_nodejs//internal/web_package:web_package.bzl", "web_package")
 load("@npm_bazel_typescript//:defs.bzl", "ts_devserver")
 
+package(default_visibility = ["//visibility:public"])
+
 # Allow targets under sub-packages to reference the tsconfig.json file
 exports_files(["tsconfig.json"])
 

integration/bazel/src/hello-world/BUILD.bazel

@@ -5,6 +5,8 @@ load("@npm_bazel_typescript//:defs.bzl", "ts_library")
 load("@io_bazel_rules_sass//sass:sass.bzl", "sass_binary")
 load("@npm_angular_bazel//:index.bzl", "ng_module", "ng_package")
 
+package(default_visibility = ["//visibility:public"])
+
 sass_binary(
     name = "hello-world-styles",
     src = "hello-world.component.scss",