message: build: update madge circular deps tests to use `.mjs` output
  The underlyijng nodejs tests of the rule now also use the ESM
  output, so normal `.js` artifacts are not even available there.
  PR Close
diff: @@ -5,13 +5,13 @@ package(default_visibility = ["//visibility:public"])
  circular_dependency_test(
  name = "circular_deps_test",
  - entry_point = "angular/packages/core/index.js",
  + entry_point = "angular/packages/core/index.mjs",
  deps = ["//packages/core"],
  )
  circular_dependency_test(
  name = "testing_circular_deps_test",
  - entry_point = "angular/packages/core/testing/index.js",
  + entry_point = "angular/packages/core/testing/index.mjs",
  deps = ["//packages/core/testing"],
  )
  