Fix regression concerning report-size-deltas (#37)

* 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 .

* Fix: erroneous constant used for path.

.github/workflows/compile-examples.yml

@@ -36,12 +36,15 @@ jobs:
           - fqbn: arduino:samd:arduino_zero_edbg
             platforms: |
               - name: arduino:samd
+            artifact-name-suffix: arduino-samd-arduino_zero_edbg
           - fqbn: arduino:samd:mkrzero
             platforms: |
               - name: arduino:samd
+            artifact-name-suffix: arduino-samd-mkrzero
           - fqbn: arduino:samd:nano_33_iot
             platforms: |
               - name: arduino:samd
+            artifact-name-suffix: arduino-samd-nano_33_iot
 
     steps:
       - name: Checkout repository
@@ -67,5 +70,5 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           if-no-files-found: error
+          name: sketches-report-${{ matrix.board.artifact-name-suffix }}
           path: ${{ env.SKETCHES_REPORTS_PATH }}
-          name: ${{ env.SKETCHES_REPORTS_PATH }}