bump version of action-gh-release to upgrade to Node.js 20 (#266)

Author: dgrove-oss

.github/workflows/release.yaml

@@ -49,7 +49,7 @@ jobs:
         make build-installer -e TAG=${RELEASE_VERSION} -e quay_repository=quay.io/ibm
 
     - name: Create GitHub Release
-      uses: softprops/action-gh-release@v1
+      uses: softprops/action-gh-release@v2
       with:
         name: Release ${{ env.RELEASE_VERSION }}
         generate_release_notes: true