added codecov token

Author: jruaux

.github/workflows/early-access.yml

@@ -38,6 +38,8 @@ on:
         required: false
       slack-webhook:
         required: false
+      codecov-token:
+        required: false
 
 jobs:
   earlyaccess:
@@ -89,6 +91,8 @@ jobs:
   
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v4
+        env:
+          CODECOV_TOKEN: ${{ secrets.codecov-token }}
 
       - name: Version
         id: vars