chore: fix script

Author: pcnc

.github/workflows/publish-nix-pgupgrade-scripts.yml

@@ -84,7 +84,7 @@ jobs:
   publish-prod:
     needs: prepare
     runs-on: ubuntu-latest
-    if: github.ref_name == 'develop' || contains( github.ref, 'release' )
+    if: github.ref_name == 'develop' || contains( github.ref, 'release' ) || github.ref_name == 'pcnc/add-helloworld-fdw-15.8prev'
 
     strategy:
       matrix:
@@ -101,7 +101,7 @@ jobs:
         id: process_release_version
         run: |
           VERSION=$(nix run nixpkgs#yq -- '.postgres_release["postgres'${{ matrix.postgres_version }}'"]' ansible/vars.yml)
-          VERSION=$(echo $PG_VERSION | tr -d '"')  # Remove any surrounding quotes
+          VERSION=$(echo $VERSION | tr -d '"')  # Remove any surrounding quotes
           if [[ "${{ inputs.postgresVersion }}" != "" ]]; then
             VERSION=${{ inputs.postgresVersion }}
           fi