Fix codecov workflow (#4139)

Author: benjie

.github/workflows/ci.yml

@@ -1,5 +1,9 @@
 name: CI
-on: workflow_call
+on:
+  workflow_call:
+    secrets:
+      codecov_token:
+        required: true
 jobs:
   lint:
     name: Lint source files
@@ -148,7 +152,7 @@ jobs:
         with:
           file: ./coverage/coverage-final.json
           fail_ci_if_error: true
-          token: ${{ secrets.CODECOV_TOKEN }}
+          token: ${{ secrets.codecov_token }}
 
   test:
     name: Run tests on Node v${{ matrix.node_version_to_setup }}

.github/workflows/pull_request.yml

@@ -3,6 +3,8 @@ on: pull_request
 jobs:
   ci:
     uses: ./.github/workflows/ci.yml
+    secrets:
+      codecov_token: ${{ secrets.CODECOV_TOKEN }}
 
   diff-npm-package:
     name: Diff content of NPM package

.github/workflows/push.yml

@@ -3,6 +3,8 @@ on: push
 jobs:
   ci:
     uses: ./.github/workflows/ci.yml
+    secrets:
+      codecov_token: ${{ secrets.CODECOV_TOKEN }}
   deploy-to-npm-branch:
     name: Deploy to `npm` branch
     needs: ci