build(deps): bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/package.yml

@@ -42,7 +42,7 @@ jobs:
           zip -r groonga-normalizer-mysql-${version}{.zip,}
 
       # Artifact
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: source
           path: |
@@ -148,7 +148,7 @@ jobs:
           rake docker:push
         env:
           GROONGA_REPOSITORY: ../groonga
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: packages-${{ matrix.id }}
           path: packages/${{ env.TASK_NAMESPACE }}/repositories/