fix: Update action.yml to use v2 image

Unfortunately the tag in action.yml is hardcoded currently. Will automate soon.

Author: jmeridth

action.yml

@@ -4,7 +4,7 @@ author: "github"
 description: "A GitHub Action to report out contributors and contributions to a repository or organization"
 runs:
   using: "docker"
-  image: "docker://ghcr.io/github-community-projects/contributors:v1"
+  image: "docker://ghcr.io/github-community-projects/contributors:v2"
 branding:
   icon: "users"
   color: "green"