Fixed CodeCov CI workflow

Author: mdashti

.github/workflows/ci.yml

@@ -167,7 +167,7 @@ jobs:
           files: lcov.info
           fail_ci_if_error: true
           token: ${{ secrets.CODECOV_GLOBAL_UPLOAD_TOKEN }}
-          slug: paradedb/decimal-bytes
+          slug: ParadeDB/decimal-bytes
 
       - name: Generate coverage summary
         run: |