fix: update CI workflow to use explicit GitHub action URLs for Gitea compatibility

.gitea/workflows/ci.yml

@@ -10,39 +10,58 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout code
+        uses: https://github.com/actions/checkout@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: https://github.com/actions/setup-python@v5
         with:
           python-version: '3.11'
 
+      - name: Cache pip packages
+        uses: https://github.com/actions/cache@v4
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/pyproject.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
       - name: Install dependencies
         run: |
           pip install -e ".[dev]"
 
       - name: Run linting
-        run: ruff check src/
+        run: |
+          ruff check src/
+
+      - name: Run type checking
+        run: |
+          mypy src/
 
       - name: Run tests
-        run: pytest tests/ -v
+        run: |
+          pytest tests/ -v
 
   build:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout code
+        uses: https://github.com/actions/checkout@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: https://github.com/actions/setup-python@v5
         with:
           python-version: '3.11'
 
       - name: Install dependencies
-        run: pip install -e .
+        run: |
+          pip install -e .
 
       - name: Verify import
-        run: python -c "import memory_manager; print(memory_manager.__version__)"
+        run: |
+          python -c "import memory_manager; print(memory_manager.__version__)"
 
       - name: Verify CLI
-        run: memory --version
+        run: |
+          memory --version