[aws] Pin alpine version to v3.19

aws/Makefile

@@ -1,7 +1,11 @@
 image=toolbelt/aws
 include ../Makefile.default
 
-$(ARCH:%=build-%): build-%: build-default-%
+$(ARCH:%=build-%): build-%: clean manifest
+	buildah --arch $(@:build-%=%) --name $(image):$(@:build-%=%) from --pull-always docker.io/alpine:3.19
+	buildah config --created-by 'buildah' $(image):$(@:build-%=%)
+	if [ -f install.sh ]; then buildah run $(image):$(@:build-%=%) /bin/sh -e <install.sh; fi
+	if [ -d overlay ]; then buildah copy $(image):$(@:build-%=%) overlay/ /; fi
 	buildah config --user aws --cmd '[]' --entrypoint '[ "/usr/bin/aws" ]' $(image):$*
 
 $(ARCH:%=test-%): test-%: