chore(deps): update docker.io/library/alpine:3 docker digest to 21dc606

containers/container-tools/Dockerfile

@@ -8,7 +8,7 @@ ARG GIT_VERSION=2.47
 
 ARG NUSHELL_VERSION=0.100.0
 
-FROM docker.io/library/alpine:3@sha256:5cc1526ee5c99c2982793abe22861e6047cfb5c8609cbe2d6bbe11d836263354 AS final
+FROM docker.io/library/alpine:3@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45 AS final
 ARG BUILDX_VERSION
 ARG DOCKER_VERSION
 ARG GIT_VERSION