chore(deps): bump actions/upload-artifact in the actions group

Bumps the actions group with 1 update: [actions/upload-artifact](https://github.com/actions/upload-artifact).


Updates `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
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/android.yml

@@ -71,12 +71,12 @@ jobs:
           mv build/app/outputs/bundle/release/app-release.aab output/$aabName
 
       - name: Upload APK artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: TimingFlutter-Android-Apk
           path: output/${{ steps.rename.outputs.apkName }}
       - name: Upload AAB artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: TimingFlutter-Android-Aab
           path: output/${{ steps.rename.outputs.aabName }}

.github/workflows/linux.yml

@@ -97,7 +97,7 @@ jobs:
           tar -C AppDir -czvf $archiveName .
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: TimingTrainer-Archive-${{ matrix.arch.archive-suffix }}
           path: ${{ steps.compress.outputs.archiveName }}