fix(ci): prevent manual merges by passing target as action input

Author: nicklasfrahm

.github/auto-merge.yml

@@ -143,6 +143,7 @@ jobs:
       - uses: ahmadnassri/action-dependabot-auto-merge@v2
         with:
           github-token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
+          target: all
 
   release:
     name: Release