Update ruby Docker tag to v3

renovate[bot] · web-flow · commit 7edabd4d4a38 · 2023-12-26T23:00:39.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.7-alpine
+FROM ruby:3.3-alpine
 
 WORKDIR /app
 
