GitHub bot should ignore epics when assigning data science issues (microsoft#14286)

Author: joyceerhl

.github/workflows/assignIssue.yml

@@ -22,7 +22,7 @@ jobs:
             ISSUE_ASSIGNEES: ${{toJson(github.event.issue.assignees)}}
             ISSUE_IS_INTERNAL: ${{steps.internal.outputs.result}}
         run: |
-          echo ::set-output name=result::$(node -p -e "process.env.ISSUE_IS_INTERNAL === '0' && JSON.parse(process.env.ISSUE_ASSIGNEES).length === 0 && JSON.parse(process.env.ISSUE_LABELS).filter(item => item.name.indexOf('data science') >= 0).length === 1 ? 1 : 0")
+          echo ::set-output name=result::$(node -p -e "process.env.ISSUE_IS_INTERNAL === '0' && JSON.parse(process.env.ISSUE_ASSIGNEES).length === 0 && JSON.parse(process.env.ISSUE_LABELS).filter(item => item.name.indexOf('data science') >= 0 && JSON.parse(process.env.ISSUE_LABELS).filter(item => item.name.indexOf('Epic') === -1).length === 1 ? 1 : 0")
         shell: bash
       - uses: actions/checkout@v2
         if: steps.proceed.outputs.result == 1