[CI] Fix setuptools pkg_resources Errors (#13129)

Try to fix setuptools pkg_resources issue on CI

Author: dg845

.github/workflows/push_tests.yml

@@ -126,6 +126,11 @@ jobs:
 
     - name: Install dependencies
       run: |
+        # Install pkgs which depend on setuptools<81 for pkg_resources first with no build isolation
+        uv pip install pip==25.2 setuptools==80.10.2
+        uv pip install --no-build-isolation k-diffusion==0.0.12
+        uv pip install --upgrade pip setuptools
+        # Install the rest as normal
         uv pip install -e ".[quality]"
         uv pip install peft@git+https://github.com/huggingface/peft.git
         uv pip uninstall accelerate && uv pip install -U accelerate@git+https://github.com/huggingface/accelerate.git