fix: Use correct path for get compose action (#3539)

Author: hubertdeng123

action.yaml

@@ -39,7 +39,7 @@ runs:
         fi
 
     - name: Get Compose
-      uses: ./get-compose-action
+      uses: getsentry/self-hosted/get-compose-action@master
 
     - name: Compute Docker Volume Cache Keys
       id: cache_key