Bump actions/upload-artifact from 5 to 7 in /.github/workflows

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...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/docker-security.yml

@@ -78,7 +78,7 @@ jobs:
           echo "4. Run security scans in CI/CD pipeline" >> security-report.md
 
       - name: 📎 Upload Security Artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: security-scan-results
@@ -151,7 +151,7 @@ jobs:
           category: checkov
 
       - name: 📎 Upload Dockerfile Security Artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: dockerfile-security-results
@@ -189,7 +189,7 @@ jobs:
           docker scout sbom clickbom:latest --format spdx --output container-sbom-scout.spdx.json || echo "Docker Scout SBOM generation failed"
 
       - name: 📎 Upload Container SBOM
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         with:
           name: container-sbom
           path: |