Forgejo v9.0 is GPLv3+

* display Forgejo license first
* do not send go-license in a loop because Gitea & Forgejo have
  different licenses

Refs: https://codeberg.org/forgejo/governance/src/commit/62ac0cc3347888a65f026a446bc53de8c301402b/AGREEMENTS.md

Dockerfile.rootless

@@ -57,7 +57,7 @@ LABEL maintainer="contact@forgejo.org" \
       org.opencontainers.image.source="https://codeberg.org/forgejo/forgejo" \
       org.opencontainers.image.version="${RELEASE_VERSION}" \
       org.opencontainers.image.vendor="Forgejo" \
-      org.opencontainers.image.licenses="MIT" \
+      org.opencontainers.image.licenses="GPL-3.0-or-later" \
       org.opencontainers.image.title="Forgejo. Beyond coding. We forge." \
       org.opencontainers.image.description="Forgejo is a self-hosted lightweight software forge. Easy to install and low maintenance, it just does the job."
 
@@ -112,4 +112,3 @@ WORKDIR /var/lib/gitea
 
 ENTRYPOINT ["/usr/bin/dumb-init", "--", "/usr/local/bin/docker-entrypoint.sh"]
 CMD []
-