chore: bump alpine from 3.22.1 to 3.22.2 in /scripts (#20278)

Bumps alpine from 3.22.1 to 3.22.2.


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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:3.22.1@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1
+FROM alpine:3.22.2@sha256:4b7ce07002c69e8f3d704a9c5d6fd3053be500b7f1c69fc0d80990c2ad8dd412
 
 # 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