fix: newline extra quotes

Author: samrose

.github/workflows/ami-release-nix.yml

@@ -67,8 +67,11 @@ jobs:
 
       - name: Generate common-nix.vars.pkr.hcl
         run: |
-          PG_VERSION=$(sudo nix run nixpkgs#yq --  '.postgres_release["postgres'${{ matrix.postgres_version }}'"]' ansible/vars.yml)
-          echo "postgres-version = \"$PG_VERSION\"" > common-nix.vars.pkr.hcl
+          PG_VERSION=$(sudo nix run nixpkgs#yq -- '.postgres_release["postgres'${{ matrix.postgres_version }}'"]' ansible/vars.yml)
+          PG_VERSION=$(echo $PG_VERSION | tr -d '"')  # Remove any surrounding quotes
+          echo 'postgres-version = "'$PG_VERSION'"' > common-nix.vars.pkr.hcl
+          # Ensure there's a newline at the end of the file
+          echo "" >> common-nix.vars.pkr.hcl
 
       - name: Build AMI stage 1
         env: