skip fossa check from forks (#3824)

Author: masci

.github/workflows/compliance.yml

@@ -14,6 +14,7 @@ env:
 
 jobs:
   check-license-compliance-cpu:
+    if: github.repository_owner == 'deepset-ai'
     name: Check CPU dependencies
     runs-on: ubuntu-latest
     steps:
@@ -57,6 +58,7 @@ jobs:
           channel: ${{ env.SLACK_ALERT_CHANNEL }}
 
   check-license-compliance-gpu:
+    if: github.repository_owner == 'deepset-ai'
     name: Check GPU dependencies
     runs-on: ubuntu-latest
     steps: