Migrater ::set-output to GITHUB_OUTPUT

Author: mmontes11

.github/workflows/release.yaml

@@ -28,8 +28,8 @@ jobs:
           if [[ $GITHUB_REF == refs/tags/* ]]; then
             VERSION=${GITHUB_REF/refs\/tags\//}
           fi
-          echo ::set-output name=build_date::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
-          echo ::set-output name=version::${VERSION}
+          echo "build_date=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
+          echo "version=${VERSION}" >> $GITHUB_OUTPUT
 
   operator:
     name: Operator