Adds missing empty last line

Author: aaronzi

.github/workflows/central-release.yml

@@ -31,4 +31,4 @@ jobs:
         env:
           MAVEN_USERNAME: ${{ secrets.CENTRAL_SONATYPE_TOKEN_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.CENTRAL_SONATYPE_TOKEN_PASSWORD }}
-          MAVEN_GPG_PASSPHRASE: ${{ secrets.ORG_GPG_PASSPHRASE }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.ORG_GPG_PASSPHRASE }}