fix: pin pip version

Author: JaeAeich

.github/workflows/checks.yaml

@@ -17,6 +17,8 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: "3.10"
+      - name: Pin pip version
+        run: python -m pip install --upgrade "pip<24.1"
       - name: Install requirements
         run: |
           pip install .
@@ -40,6 +42,8 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: "3.10"
+      - name: Pin pip version
+        run: python -m pip install --upgrade "pip<24.1"
       - name: Install requirements
         run: |
           pip install .