build(deps): bump actions/upload-artifact from 4 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...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/performance.yml

@@ -70,7 +70,7 @@ jobs:
             } >> "$GITHUB_STEP_SUMMARY"
           fi
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         if: always()
         with:
           name: benchmark-results

.github/workflows/quality.yml

@@ -56,7 +56,7 @@ jobs:
           sys.exit(1 if bad else 0)
           PY
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         if: always()
         with:
           name: coverage
@@ -122,7 +122,7 @@ jobs:
           dotnet tool install --global dotnet-stryker
           dotnet stryker --project FlowX.Core.csproj --threshold-break 70 --reporter progress --reporter html
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         if: always()
         with:
           name: mutation-report