Update github-actions.yml

Author: Jakub Raczek

.github/workflows/github-actions.yml

@@ -338,8 +338,8 @@ jobs:
         MAPPED_ENV_BROWSERSTACKUSER: ${{ env.browserstackuser }}
         MAPPED_ENV_TESTINGBOTKEY: ${{ env.testingbotkey }}
         MAPPED_ENV_TESTINGBOTSECRET: ${{ env.testingbotsecret }}
-        MAPPED_ENV_SAUCELABSACCESSKEY: ${{ env.saucelabsaccessKey }}
-        MAPPED_ENV_SAUCELABSUSERNAME: ${{ env.saucelabsusername }}
+        MAPPED_ENV_SAUCELABSACCESSKEY: ${{ secrets.saucelabsaccessKey }}
+        MAPPED_ENV_SAUCELABSUSERNAME: ${{ secrets.saucelabsusername }}
     - name: Publish Test Results
       uses: EnricoMi/publish-unit-test-result-action/windows@v2
       if: always()