chore(deps): shorten actions prefix

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: scottschreckengaust

.github/dependabot.yml

@@ -8,7 +8,7 @@ updates:
       interval: "weekly"
       day: "saturday"
     commit-message:
-      prefix: "chore(deps): github-actions"
+      prefix: "chore(deps): actions"
     open-pull-requests-limit: 1
     groups:
       all-actions: