Bump actions/upload-artifact from 6 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -110,7 +110,7 @@ jobs:
           ${{ matrix.archive_util }} -cz ${{ env.PROJECT_NAME }}_${{ matrix.package_platform }} -f ${{ env.PROJECT_NAME }}_${GITHUB_REF/refs\/tags\//}_${{ matrix.package_platform }}.tar.gz
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.package_platform }}
@@ -181,7 +181,7 @@ jobs:
           sudo tar -cz ${{ env.PROJECT_NAME }}_${{ matrix.package_platform }} -f ${{ env.PROJECT_NAME }}_${GITHUB_REF/refs\/tags\//}_${{ matrix.package_platform }}.tar.gz #dist dir is created in the container with different user/grp
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.package_platform }}
@@ -258,7 +258,7 @@ jobs:
           tar -czvf "${PACKAGE_FILENAME}" "${{ env.PROJECT_NAME }}_macOS_64bit"
 
       - name: Upload notarized artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ env.ARTIFACT_SUFFIX }}

.github/workflows/sync-labels.yml

@@ -71,7 +71,7 @@ jobs:
           file-url: https://raw.githubusercontent.com/arduino/tooling-project-assets/main/workflow-templates/assets/sync-labels/${{ matrix.filename }}
 
       - name: Pass configuration files to next job via workflow artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           path: |
             *.yaml