Update alpine Docker tag to v3.21.2

renovate[bot] · web-flow · commit efc8eb2f4315 · 2025-01-08T20:52:34.000Z
diff --git a/docker/batch-change-volume-workspace/Dockerfile b/docker/batch-change-volume-workspace/Dockerfile
@@ -2,6 +2,6 @@
 # image that we use to run curl, git, and unzip against a Docker volume when
 # using the volume workspace.
 
-FROM alpine:3.19.1@sha256:c5b1261d6d3e43071626931fc004f70149baeba2c8ec672bd4f27761f8e1ad6b
+FROM alpine:3.21.2@sha256:56fa17d2a7e7f168a043a2712e63aed1f8543aeafdcee47c58dcffe38ed51099
 
 RUN apk add --update git unzip
