Update dependabot-automerge.yml

uses the autoMerge function

Signed-off-by: Marcin Grzejszczak <[email protected]>

Author: marcingrzejszczak

.github/workflows/dependabot-automerge.yml

@@ -13,6 +13,7 @@ jobs:
     permissions: write-all
 
     # Until v6 is released
-    uses: spring-io/spring-github-workflows/.github/workflows/spring-merge-dependabot-pr.yml@13446d5ff064de382e6b5249eb85837a9d84b3eb
+    uses: spring-io/spring-github-workflows/.github/workflows/spring-merge-dependabot-pr.yml@b00736028017be7e964ed0a37c907ae1bf833f39
     with:
+      autoMerge: true
       mergeArguments: --auto --squash