Revert "chore(deps): update alpine docker tag to v20240315 (#13430)" (#13461)

This reverts commit f5ee082.

Author: puneetbehl

.github/actions/post-release/Dockerfile

@@ -1,5 +1,5 @@
 # Container image that runs your code
-FROM alpine:20240315
+FROM alpine:20231219
 
 RUN apk add --no-cache curl jq git bash
 

.github/actions/pre-release/Dockerfile

@@ -1,5 +1,5 @@
 # Container image that runs your code
-FROM alpine:20240315
+FROM alpine:20231219
 
 RUN apk add --no-cache curl jq git bash