Fix regression re report-size-deltas after updating actions/upload-artifact. (#46)

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

Author: aentinger

.github/workflows/compile-examples.yml

@@ -34,9 +34,11 @@ jobs:
           - fqbn: arduino:megaavr:uno2018
             platforms: |
               - name: arduino:megaavr
+            artifact-name-suffix: arduino-megaavr-uno2018
           - fqbn: arduino:samd:nano_33_iot
             platforms: |
               - name: arduino:samd
+            artifact-name-suffix: arduino-samd-nano_33_iot
 
     steps:
       - name: Checkout repository
@@ -63,4 +65,4 @@ jobs:
         with:
           if-no-files-found: error
           path: ${{ env.SKETCHES_REPORTS_PATH }}
-          name: ${{ env.SKETCHES_REPORTS_PATH }}
+          name: sketches-report-${{ matrix.board.artifact-name-suffix }}

.github/workflows/report-size-deltas.yml

@@ -20,5 +20,5 @@ jobs:
       - name: Comment size deltas reports to PRs
         uses: arduino/report-size-deltas@v1
         with:
-          # The name of the workflow artifact created by the sketch compilation workflow
-          sketches-reports-source: sketches-reports
+          # Regex matching the names of the workflow artifacts created by the "Compile Examples" workflow
+          sketches-reports-source: ^sketches-report-.+