Update codecov/codecov-action digest to b9fd7d1

Author: renovate[bot]

.github/workflows/check.yml

@@ -219,7 +219,7 @@ jobs:
         run: npm run test -- --coverage
 
       - name: Upload coverage
-        uses: codecov/codecov-action@e28ff129e5465c2c0dcc6f003fc735cb6ae0c673 # v4
+        uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 # v4
 
   tsc:
     name: TypeScript