Update README.md

Fix secret name typo

Author: pasha-codefresh

README.md

@@ -49,7 +49,7 @@ jobs:
         env:
           PIPELINE_NAME: 'codefresh-pipeline'
           TRIGGER_NAME: 'codefresh-trigger'
-          CF_API_KEY: ${{ secrets.GITHUB_TOKEN }}
+          CF_API_KEY: ${{ secrets.CF_API_KEY }}
         id: run-pipeline
 ```
 ### Env variables