Merge pull request #66 from crossplane-contrib/renovate/actions-upload-artifact-4.x

chore(deps): update actions/upload-artifact action to v4

Author: negz

.github/workflows/ci.yml

@@ -116,7 +116,7 @@ jobs:
         run: ./crossplane xpkg build --package-file=${{ matrix.arch }}.xpkg --package-root=package/ --embed-runtime-image-tarball=runtime-${{ matrix.arch }}.tar
 
       - name: Upload Single-Platform Package
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: packages
           path: "*.xpkg"