SNOW-1058245-fix-failing-gh-action-syntax: use gh variable for setting repository name (#476)

Author: sfc-gh-mraba

.github/workflows/snyk-issue.yml

@@ -22,7 +22,7 @@ jobs:
         token: ${{ secrets.whitesource_action_token }}
         path: whitesource-actions
     - name: Set Env
-      run: echo "repo=$(basename $github_repository)" >> $github_env
+      run: echo "repo=${{ github.event.repository.name }}" >> $GITHUB_ENV
     - name: Jira Creation
       uses: ./whitesource-actions/snyk-issue
       with: