chore(deps): bump the github-actions group with 2 updates (#5006)

Bumps the github-actions group with 2 updates: [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `astral-sh/setup-uv` from 6 to 7
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](https://github.com/astral-sh/setup-uv/compare/v6...v7)

Updates `actions/download-artifact` from 6 to 7
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v6...v7)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/download-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

.github/workflows/release.yml

@@ -160,7 +160,7 @@ jobs:
           echo "tag=$tag" >> "$GITHUB_OUTPUT"
 
       - name: Setup uv
-        uses: astral-sh/setup-uv@v6
+        uses: astral-sh/setup-uv@v7
 
       - name: Setup Python
         uses: actions/setup-python@v6
@@ -291,13 +291,13 @@ jobs:
           echo "tag=$tag" >> "$GITHUB_OUTPUT"
 
       - name: Download dashboard artifact
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: Dashboard-${{ steps.tag.outputs.tag }}
           path: release-assets
 
       - name: Download desktop artifacts
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           pattern: AstrBot-${{ steps.tag.outputs.tag }}-*
           path: release-assets