chore: Remove characters from comment bodies before calling xargs (#156)

Author: mattcreaser

.github/workflows/issue_comment.yml

@@ -16,7 +16,7 @@ jobs:
           BODY: ${{ toJson(github.event.comment.body) }}
           COMMENT_URL: ${{github.event.comment.html_url}}
         shell: bash
-        run: echo $BODY | xargs -I {} curl -s POST "$WEBHOOK_URL" -H "Content-Type:application/json" --data '{"body":"{}", "issue":"'$COMMENT_URL'"}'
+        run: echo $BODY | sed "s/\\\n/. /g; s/\\\r//g; s/[^a-zA-Z0-9 &().,:]//g" | xargs -I {} curl -s POST "$WEBHOOK_URL" -H "Content-Type:application/json" --data '{"body":"{}", "issue":"'$COMMENT_URL'"}'
 
   remove-pending-response-label:
     runs-on: ubuntu-latest