Hard-coding coveralls secret

Putting the Coveralls secret in clear text (to be able to have coveralls info in forks)
This means anyone can push information in Safe coveralls. We are ok with that "risk"

Author: moufmouf

.github/workflows/continuous-integration.yml

@@ -127,9 +127,8 @@ jobs:
           path: "generator/build"
 
       - name: "Upload test coverage to coveralls"
-        continue-on-error: true
         run: "php vendor/bin/php-coveralls -v"
         working-directory: "generator"
         env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+          COVERALLS_REPO_TOKEN: "jkrVNjOvNxoqfyCSQ2QbIgbqP53QCkFmP"
           COVERALLS_RUN_LOCALLY: 1