Fix regression concerning report-size-deltas

For more information see here: https://github.com/arduino/report-size-deltas/blob/main/docs/FAQ.md#size-deltas-report-workflow-triggered-by-schedule-event .

.github/workflows/compile-examples.yml

@@ -31,10 +31,12 @@ jobs:
             platforms: |
               - name: rp2040:rp2040
                 source-url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
+            artifact-name-suffix: rp2040-arduino-nano-connect
           - fqbn: rp2040:rp2040:rpipico
             platforms: |
               - name: rp2040:rp2040
                 source-url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
+            artifact-name-suffix: rp2040-rpipico
 
     steps:
       - name: Checkout
@@ -58,5 +60,5 @@ jobs:
         if: github.event_name == 'pull_request'
         uses: actions/upload-artifact@v4
         with:
-          name: ${{ env.SKETCHES_REPORTS_PATH }}
+          name: sketches-report-${{ matrix.board.artifact-name-suffix }}
           path: ${{ env.SKETCHES_REPORTS_PATH }}