Update main.yml

fixed syntax

Author: Luke Goodfellow

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
         uses: actions/checkout@master
 
       - name: 'run pipeline'
-        uses:./
+        uses: ./
         env:
           PIPELINE_NAME: 'codefresh-pipeline'
           TRIGGER_NAME: 'codefresh-trigger'