🐛 Add gpg public key

Author: tobi-laa

.github/workflows/maven-publish.yml

@@ -35,4 +35,5 @@ jobs:
           JRELEASER_MAVENCENTRAL_USERNAME: ${{ secrets.MAVENCENTRAL_USERNAME }}
           JRELEASER_MAVENCENTRAL_PASSWORD: ${{ secrets.MAVENCENTRAL_PASSWORD }}
           JRELEASER_GPG_SECRET_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+          JRELEASER_GPG_PUBLIC_KEY: ${{ secrets.GPG_PUBLIC_KEY }}
           JRELEASER_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}