ci: pin setuptools<82 due to pkg_resources removal

Author: zubeydecivelek

.github/workflows/tests.yml

@@ -69,7 +69,7 @@ jobs:
 
       - name: Generate dependencies
         run: |
-          python -m pip install --upgrade pip py setuptools wheel requirements-builder
+          python -m pip install --upgrade pip py "setuptools<82" wheel requirements-builder
           requirements-builder -e $EXTRAS --level=pypi setup.py > .pypi-${{ matrix.python-version }}-requirements.txt
 
       - name: Cache pip