Override CI_BUILD_NUMBER

.github/workflows/tests.yaml

@@ -6,9 +6,6 @@ on:
   schedule:
     - cron:  '0 3 * * *'
 
-env:
-    COVERALLS_SERVICE_NUMBER: ${{ github.run_id }}-${{ github.run_attempt }}
-
 jobs:
   tests:
     runs-on: ubuntu-latest
@@ -23,6 +20,9 @@ jobs:
     name: PHP ${{ matrix.php-version }} ${{ matrix.dependencies }}
 
     steps:
+      - name: Dump COVERALLS_SERVICE_NUMBER
+        run: echo $COVERALLS_SERVICE_NUMBER
+
       - uses: actions/checkout@v2
 
       - name: Setup PHP
@@ -42,8 +42,10 @@ jobs:
       - name: Submit coverage to Coveralls
         env:
           COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CI_BUILD_NUMBER: ${{ github.run_id }}-${{ github.run_attempt }}
         run: |
-          composer global require --no-progress --dev php-coveralls/php-coveralls guzzlehttp/guzzle:^6.5
+          echo $CI_BUILD_NUMBER
+          composer global require --no-progress --dev php-coveralls/php-coveralls
           ~/.composer/vendor/bin/php-coveralls -v
 
   codestyle: