use latest pip, do no create cache in CI pipeline

Author: purificant

.github/workflows/test.yaml

@@ -33,7 +33,9 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
-        run: pip install --requirement requirements-dev.txt
+        run: |
+          pip install --no-cache-dir --upgrade pip
+          pip install --no-cache-dir --requirement requirements-dev.txt
 
       - name: Run code linting checks
         run: make ci-lint
@@ -56,7 +58,7 @@ jobs:
     steps:
     - name: Finished
       run: |
-        pip3 install --upgrade coveralls
+        pip install --no-cache-dir --upgrade coveralls
         coveralls --service=github --finish
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}