Limit the runs of the codecov action

.github/workflows/codecov.yml

@@ -2,6 +2,10 @@ on:
   push:
     branches: [main]
   pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+  pull_request_review:
+    types: [submitted]
+  workflow_dispatch:
 name: Code coverage
 concurrency:
   group: 'codecov-${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
@@ -12,7 +16,12 @@ permissions:
 jobs:
   codecov:
     runs-on: ubuntu-latest-8-cores
-    if: github.event.pull_request.draft == false || github.ref == 'refs/heads/main'
+    if: >
+      github.event.pull_request.draft == false ||
+      github.ref == 'refs/heads/main' ||
+      (github.event_name == 'pull_request_review' && github.event.review.state == 'approved') ||
+      github.event.action == 'ready_for_review' ||
+      github.event_name == 'workflow_dispatch'
     steps:
       - uses: actions/checkout@master