Update alpine Docker tag to v3.20.3

renovate[bot] · web-flow · commit 0d271a8bc37a · 2024-09-06T22:55:51.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.11.6
+FROM alpine:3.20.3
 
 LABEL version="1.0.1"
 LABEL maintainer="nownabe"
