chore(deps): bump actions/upload-artifact from 6.0.0 to 7.0.1 (#42)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6.0.0 to 7.0.1.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7.0.1)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: 7.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -40,7 +40,7 @@ jobs:
           --cov-report=xml:coverage.xml
       - name: Upload backend coverage
         if: always()
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7.0.1
         with:
           name: backend-coverage
           path: coverage.xml
@@ -50,7 +50,7 @@ jobs:
         run: uv run python -m src.evals.regression_gate --output reports/ai-regression-${{ github.sha }}.json
       - name: Upload AI regression score
         if: always()
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7.0.1
         with:
           name: ai-regression-${{ github.sha }}
           path: reports/ai-regression-${{ github.sha }}.json
@@ -79,7 +79,7 @@ jobs:
         run: npm run test:coverage
       - name: Upload UI coverage
         if: always()
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7.0.1
         with:
           name: ui-coverage
           path: ui/coverage/
@@ -90,7 +90,7 @@ jobs:
         run: npx playwright test
       - name: Upload Playwright failure artifacts
         if: failure()
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7.0.1
         with:
           name: playwright-failure-artifacts
           path: |
@@ -115,7 +115,7 @@ jobs:
           output: cortex-sbom.cdx.json
           scanners: vuln
       - name: Upload container SBOM
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: cortex-sbom-${{ github.sha }}
           path: cortex-sbom.cdx.json