Merge pull request #735 from maxking/dependabot/docker/core/alpine-3.21

Bump alpine from 3.20 to 3.21 in /core

core/Dockerfile

@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.3
 # Use 3.15 for Core since it has Python 3.9
-FROM alpine:3.20
+FROM alpine:3.21
 
 # Add requirements file.
 COPY requirements.txt /tmp/

core/Dockerfile.dev

@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.3
 # Use 3.15 for Core since it has Python 3.9
-FROM alpine:3.20
+FROM alpine:3.21
 
 # Set the commits that we are building.
 ARG CORE_REF