chore(deps): bump actions/upload-artifact from 6 to 7 (#682)

Bumps [actions/upload-artifact](https://github.com/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
...

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

@@ -193,7 +193,7 @@ jobs:
           echo "${{ github.event.number }}" > .pr_number
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: docs-preview
           path: |

.github/workflows/test.yml

@@ -67,7 +67,7 @@ jobs:
         if: ${{ inputs.coverage }}
         run: uv run pytest tests --dist "loadgroup" -m "" --cov=advanced_alchemy --cov-report=xml -n 2
 
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         if: ${{ inputs.coverage }}
         with:
           name: coverage-xml