remove optional github token (#674)

* chore: removed optional github token

* fix: restored deleted field

.github/workflows/ci.yml

@@ -1,25 +1,23 @@
 name: ci
-
 on:
   push:
-    branches: [master]
+    branches:
+      - master
   pull_request:
-    branches: [master]
-
+    branches:
+      - master
 jobs:
   build:
     runs-on: ubuntu-latest
-
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version-file: '.nvmrc'
+          node-version-file: .nvmrc
       - run: yarn
       - run: yarn lint
       - run: yarn typecheck
       - run: yarn test
-
   automerge:
     needs: build
     runs-on: ubuntu-latest
@@ -29,9 +27,7 @@ jobs:
     steps:
       - uses: fastify/github-action-merge-dependabot@v3
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
           approve-only: true
-
   deploy-expo-preview:
     needs: build
     if: github.event_name == 'pull_request' && github.actor != 'dependabot[bot]'