chore(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] <support@github.com>

.github/workflows/ci.yaml

@@ -56,7 +56,7 @@ jobs:
       if: startsWith(github.ref, 'refs/tags/')
     - name: Build
       run: make plugin-build
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: tanzu-apps-plugin.tar.gz
         path: ./artifacts/tanzu-apps-plugin*.tar.gz
@@ -382,7 +382,7 @@ jobs:
         echo "${{ steps.get_version.outputs.VERSION }}" > RELEASE_INFO_VERSION
         echo "${{ steps.create_release.outputs.upload_url }}" > RELEASE_INFO_UPLOAD_URL
     - name: Upload release files
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: tanzu-apps-plugin.tar.gz
         path: RELEASE_INFO_*