Updated the ci yml file and enabled the caching in it

Author: Santhosh-Kumar-2004

.github/workflows/ci.yml

@@ -22,6 +22,15 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+          cache: "pip"  # ✅ Built-in pip caching
+
+      - name: Cache pip dependencies (fallback)
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-${{ matrix.python-version }}-
 
       - name: Install dependencies
         run: |
@@ -34,8 +43,5 @@ jobs:
       - name: Run flake8
         run: flake8 .
 
-      - name: Run tests
-        run: pytest
-
       - name: Run pytest with coverage
-        run: pytest --cov=src
+        run: pytest --cov=src --cov-report=term-missing --cov-fail-under=90