Update alpine Docker tag to v3.21

renovate[bot] · web-flow · commit 1447403f7081 · 2024-12-06T02:02:26.000Z
diff --git a/5.1/alpine3.6/Dockerfile b/5.1/alpine3.6/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13
+FROM alpine:3.21
 
 ENTRYPOINT ["lua"]
 
diff --git a/5.2/alpine3.6/Dockerfile b/5.2/alpine3.6/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13
+FROM alpine:3.21
 
 ENTRYPOINT ["lua"]
 
diff --git a/5.3/alpine3.6/Dockerfile b/5.3/alpine3.6/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13
+FROM alpine:3.21
 
 ENTRYPOINT ["lua"]
 
