Update alpine Docker tag to v3.21

renovate[bot] · web-flow · commit 1c9f9af7009b · 2024-12-06T02:40:25.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,5 @@
 # static curl build
-FROM alpine:3.19 as curlstage
+FROM alpine:3.21 as curlstage
 ARG VERSION="8.4.0"
 
 RUN \
