chore(deps): bump actions/upload-artifact from 3 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v3...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>

.github/workflows/ci.yml

@@ -68,7 +68,7 @@ jobs:
 
     - name: Upload security reports
       continue-on-error: true
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       if: always()
       with:
         name: security-reports
@@ -255,7 +255,7 @@ jobs:
 
     - name: Upload test results
       continue-on-error: true
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       if: always()
       with:
         name: test-results-${{ matrix.python-version }}
@@ -325,7 +325,7 @@ jobs:
 
     - name: Upload performance results
       if: always()
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: performance-results
         path: archive/v1/perf-junit.xml