fix: remove hardcoded Codecov slug

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: 2 people

.github/workflows/test.yml

@@ -120,5 +120,4 @@ jobs:
           use_oidc: true
           flags: unit-tests
           files: ./coverage/lcov.info
-          slug: guacsec/trustify-da-javascript-client