draco: Update CI configs.
draco: Update CI configs.

* Use ubuntu-22 and clang-14 for the clang CI test.
* Use default gcc on ubuntu-latest builders.
* Windows configs skip GltfDecoderTest.TestLoadUnsupportedTexCoordAttributes, see
  https://github.com/google/draco/issues/938

google/draco,google/draco,google/draco,google/draco,google/draco,google/draco,google/draco