Changes to .github/workflows

Author: LineIndent

.github/workflows/build.yml

@@ -24,8 +24,14 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: Upgrade Pip
+        run: pip install --upgrade pip
+
       - name: Install dependencies
-        run: pip install -r requirements.txt
+        run: pip install --no-cache-dir -r requirements.txt
+
+      - name: Install build module
+        run: pip install --no-cache-dir build
 
       - name: Run tests
         run: python -m unittest discover -s tests