chore: update alpine 3.21.2 => 3.21.3 (cherry-pick #17773) (#17799)

gcp-cherry-pick-bot[bot] · angrycub · web-flow · commit 2e96160c301b · 2025-05-14T13:01:48.000+05:00
Co-authored-by: Charlie Voiselle &lt;464492+angrycub@users.noreply.github.com&gt;
diff --git a/scripts/Dockerfile.base b/scripts/Dockerfile.base
@@ -1,7 +1,7 @@
 # This is the base image used for Coder images. It's a multi-arch image that is
 # built in depot.dev for all supported architectures. Since it's built on real
 # hardware and not cross-compiled, it can have "RUN" commands.
-FROM alpine:3.21.2
+FROM alpine:3.21.3
 
 # We use a single RUN command to reduce the number of layers in the image.
 # NOTE: Keep the Terraform version in sync with minTerraformVersion and
