chore(downloads): replace Docker alpine with slim (#8784)

Author: MikeMcC399

apps/site/snippets/en/download/docker.bash

@@ -2,7 +2,7 @@
 # Please refer to the official documentation at https://docker.com/get-started/
 
 # Pull the Node.js Docker image:
-docker pull node:${props.release.major}-${props.release.major >= 4 ? 'alpine' : 'slim'}
+docker pull node:${props.release.major}-slim
 
 # Create a Node.js container and start a Shell session:
-docker run -it --rm --entrypoint sh node:${props.release.major}-${props.release.major >= 4 ? 'alpine' : 'slim'}
+docker run -it --rm --entrypoint sh node:${props.release.major}-slim