Add Alpine 3.23 and drop 3.21

Author: jnoordsij

20/alpine3.21/Dockerfile renamed to 20/alpine3.23/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.21
+FROM alpine:3.23
 
 ENV NODE_VERSION=20.19.6
 

20/alpine3.21/docker-entrypoint.sh renamed to 20/alpine3.23/docker-entrypoint.sh

@@ -1,4 +1,4 @@
-FROM alpine:3.21
+FROM alpine:3.23
 
 ENV NODE_VERSION=22.21.1
 

22/alpine3.21/Dockerfile renamed to 22/alpine3.23/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.21
+FROM alpine:3.23
 
 ENV NODE_VERSION=24.11.1
 

22/alpine3.21/docker-entrypoint.sh renamed to 22/alpine3.23/docker-entrypoint.sh

@@ -1,4 +1,4 @@
-FROM alpine:3.21
+FROM alpine:3.23
 
 ENV NODE_VERSION=25.2.1
 

24/alpine3.21/Dockerfile renamed to 24/alpine3.23/Dockerfile

@@ -1,8 +1,8 @@
 bashbrew-arch  variants
-amd64          alpine3.21,alpine3.22,bookworm,bookworm-slim,bullseye,bullseye-slim,trixie,trixie-slim
-arm32v6        alpine3.21,alpine3.22
-arm32v7        alpine3.21,alpine3.22,bookworm,bookworm-slim,bullseye,bullseye-slim,trixie,trixie-slim
-arm64v8        alpine3.21,alpine3.22,bookworm,bookworm-slim,bullseye,bullseye-slim,trixie,trixie-slim
-i386           alpine3.21,alpine3.22
-ppc64le        alpine3.21,alpine3.22,bookworm,bookworm-slim,trixie,trixie-slim
-s390x          alpine3.21,alpine3.22,bookworm,bookworm-slim,trixie,trixie-slim
+amd64          alpine3.22,alpine3.23,bookworm,bookworm-slim,bullseye,bullseye-slim,trixie,trixie-slim
+arm32v6        alpine3.22,alpine3.23
+arm32v7        alpine3.22,alpine3.23,bookworm,bookworm-slim,bullseye,bullseye-slim,trixie,trixie-slim
+arm64v8        alpine3.22,alpine3.23,bookworm,bookworm-slim,bullseye,bullseye-slim,trixie,trixie-slim
+i386           alpine3.22,alpine3.23
+ppc64le        alpine3.22,alpine3.23,bookworm,bookworm-slim,trixie,trixie-slim
+s390x          alpine3.22,alpine3.23,bookworm,bookworm-slim,trixie,trixie-slim

24/alpine3.21/docker-entrypoint.sh renamed to 24/alpine3.23/docker-entrypoint.sh

@@ -1,4 +1,4 @@
 baseuri     https://nodejs.org/dist
 default_variant bookworm
-alpine_version  3.22
+alpine_version  3.23
 debian_versions bookworm bullseye trixie