Update alpine Docker tag to v3.21

renovate[bot] · web-flow · commit 8f78bccd21a4 · 2024-12-06T00:59:23.000Z
diff --git a/docker/deprecated-images/build-kit/alpine.Dockerfile b/docker/deprecated-images/build-kit/alpine.Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1
-FROM alpine:3.17
+FROM alpine:3.21
 
 ARG EXT_MOUNT=/ext
 ARG EVEREST_CMAKE_PATH=/usr/lib/cmake/everest-cmake
