Fix RC-skipping code for releases without RCs (like 3.7.19)

generate-stackbrew-library.sh

@@ -79,7 +79,8 @@ for version in "${versions[@]}"; do
 		if [ "$rcVersion" != "$version" ] && [ -e "$rcVersion/$variant/Dockerfile" ]; then
 			# if this is a "-rc" release, let's make sure the release it contains isn't already GA (and thus something we should not publish anymore)
 			rcFullVersion="$(git show HEAD:"$rcVersion/$variant/Dockerfile" | awk '$1 == "ENV" && $2 == "RABBITMQ_VERSION" { print $3; exit }')"
-			if [[ "$fullVersion" == "$rcFullVersion"* ]]; then
+			latestVersion="$({ echo "$fullVersion"; echo "$rcFullVersion"; } | sort -V | tail -1)"
+			if [[ "$fullVersion" == "$rcFullVersion"* ]] || [ "$latestVersion" = "$rcFullVersion" ]; then
 				# "x.y.z-rc1" == x.y.z*
 				continue
 			fi