add caching to some workflows (#95)

Author: Aymen-Soussi-01

.github/workflows/format.yml

@@ -23,8 +23,18 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4.2.2
-      - name: Setup Bazel
-        uses: bazel-contrib/setup-bazel@0.9.1
+      - name: Cache Bazel
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/bazel
+          key: ${{ runner.os }}-format-${{ hashFiles('**/*.bazel', '**/BUILD', '**/*.bzl') }}
+
+      - name: Setup Bazel with cache
+        uses: bazel-contrib/setup-bazel@0.15.0
+        with:
+          disk-cache: true
+          repository-cache: true
+          bazelisk-cache: true
       - name: Run formatting checks
         run: |
           bazel run //src:ide_support

.github/workflows/test.yml

@@ -21,6 +21,20 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4.2.2
+      - name: Cache Bazel and pip
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cache/bazel
+            ~/.cache/pip
+          key: ${{ runner.os }}-test-${{ hashFiles('**/*.bazel', '**/BUILD', '**/*.bzl', 'src/requirements.txt', 'src/**/*.py') }}
+
+      - name: Setup Bazel with cache
+        uses: bazel-contrib/setup-bazel@0.15.0
+        with:
+          disk-cache: true
+          repository-cache: true
+          bazelisk-cache: true
       - name: Run test targets
         run: |
           bazel run //src:ide_support