build: restrict visibility of npm_package targets (#27611)

dependencies on these cause very long rebuilds which have to re-package angular.
Such tests belong in the integration/ folder

PR Close #27611

packages/compiler-cli/BUILD.bazel

@@ -46,6 +46,9 @@ npm_package(
     tags = [
         "release-with-framework",
     ],
+    # Do not add more to this list.
+    # Dependencies on the full npm_package cause long re-builds.
+    visibility = ["//visibility:private"],
     deps = [
         ":compiler-cli",
         "//packages/compiler-cli/src/ngcc",