Update workflow with latest versions of the actions

Author: giulcioffi

.github/workflows/compile-examples.yml

@@ -108,8 +108,9 @@ jobs:
           rm -r "$GITHUB_WORKSPACE/extras/examples/10.StarterKit_BasicKit/p11_CrystalBall"
           # CapacitiveSensor library does not support megaAVR core yet
           rm -r "$GITHUB_WORKSPACE/extras/examples/10.StarterKit_BasicKit/p13_TouchSensorLamp"
+
       - name: Compile examples
-        uses: arduino/actions/libraries/compile-examples@master
+        uses: arduino/compile-sketches@main
         with:
           fqbn: ${{ matrix.board.fqbn }}
           libraries: |
@@ -147,7 +148,7 @@ jobs:
           verbose: 'true'
 
       - name: Save memory usage change report as artifact
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v2
         with:
           name: size-deltas-reports
           path: size-deltas-reports