Bump actions/upload-artifact from 4 to 7 (#38)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...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/publish.yml

@@ -69,7 +69,7 @@ jobs:
           args: zip -X -r release/wp-email-download.zip . -x *.git* bin** !block !node_modules node_modules/\* .* "*/\.*" *.dist *.xml composer.* package*.json tests** release**
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: wp-email-download
           path: release/wp-email-download.zip