feat: support "full"

dockerfiles/ubuntu-full.dockerfile

@@ -0,0 +1,19 @@
+ARG BASE_IMAGE_TAG
+
+FROM ghcr.io/catthehacker/ubuntu:${BASE_IMAGE_TAG}
+
+ARG IMAGE_CREATED
+ARG IMAGE_VERSION
+ARG IMAGE_REVISION
+
+LABEL org.opencontainers.image.created="${IMAGE_CREATED}" \
+      org.opencontainers.image.authors="Gitea" \
+      org.opencontainers.image.url="https://gitea.com/gitea/runner-images" \
+      org.opencontainers.image.documentation="https://gitea.com/gitea/runner-images/src/branch/main/README.md" \
+      org.opencontainers.image.source="https://gitea.com/gitea/runner-images" \
+      org.opencontainers.image.version="${IMAGE_VERSION}" \
+      org.opencontainers.image.revision="${IMAGE_REVISION}" \
+      org.opencontainers.image.vendor="Gitea" \
+      org.opencontainers.image.licenses="MIT" \
+      org.opencontainers.image.title="Official Gitea Actions runner images" \
+      org.opencontainers.image.description="Official docker images used by act_runner to run workflows."