chore(deps): update alpine docker tag to v3.21

renovate[bot] · web-flow · commit 6b87108dd1f8 · 2024-12-06T02:05:13.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,5 @@
 # Prepare environment
-FROM alpine:3.20
+FROM alpine:3.21
 RUN apk add openjdk21
 
 # Download source code
