Bump Endjin.PRAutoflow from 0.0.0 to 0.1.6 in .github/workflows (#159)

Bumps 'Endjin.PRAutoflow' from 0.0.0 to 0.1.6

.github/workflows/dependabot_approve_and_label.yml

@@ -4,6 +4,7 @@ on:
     types: [opened, reopened]
 
 permissions:
+  contents: read
   issues: write
   pull-requests: write
 
@@ -122,4 +123,4 @@ jobs:
               repo: context.payload.repository.name,
               issue_number: context.payload.pull_request.number,
               labels: ['pending_release']
-            })
+            })