Merge pull request #274 from iory/ga

[atoms3 and GA] Cache firmware build to speed up

Author: iory

.github/workflows/release_firmware.yml

@@ -34,10 +34,28 @@ jobs:
         with:
           fetch-depth: 0  # Fetch all tags if needed
 
+      - name: Cache PlatformIO dependencies
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.platformio
+            ~/.cache/pip
+          key: ${{ runner.os }}-pio-${{ hashFiles('**/platformio.ini') }}
+          restore-keys: |
+            ${{ runner.os }}-pio-
+
+      - name: Cache PlatformIO build
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/pio
+          key: ${{ runner.os }}-pio-build-${{ hashFiles('firmware/atom_s3_i2c_display/src/**/*') }}
+          restore-keys: |
+            ${{ runner.os }}-pio-build-
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: '3.11'
+          cache: 'pip'
 
       - name: Install PlatformIO
         run: pip install --upgrade platformio