chore: make release please update readme as well

Author: alexdor

README.md

@@ -53,7 +53,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Sync TODOs with Issues
-        uses: alexdor/issue-syncer@v1
+        uses: alexdor/issue-syncer@v1.0.2 # x-release-please-version
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 ```

release-please-config.json

@@ -30,6 +30,10 @@
     }
   ],
   "packages": {
-    ".": {}
+    ".": {
+      "extra-files": [
+        "README.md"
+      ]
+    }
   }
 }