script/cibuild-docker in github-pages-health-check-1.18.2 vs script/cibuild-docker in github-pages-health-check-1.18.4

@@ -1,7 +1,7 @@
 #!/bin/bash
 
-: ${RUBY_VERSION:="2.7"}
+: ${RUBY_VERSION:="3.2"}
 docker build -t github-pages-health-check --build-arg RUBY_VERSION=$RUBY_VERSION .
 if [ -n "$DEBUG" ]; then
   # Run a shell.
   docker run -it --rm -v $(pwd):/app/github-pages-health-check github-pages-health-check
 else