For support ticket related issue: Remove GITHUB_OUTPUT redirect and further improve matching

.github/workflows/issue-support.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       CUSTOMER_TEXT: "What type of Synergy user are you?[[:space:]]*\bCustomer\b"
-      MISSING_TICKET_TEXT: "Support ticket number (for customers)[[:space:]]*\bNo response\b"
+      MISSING_TICKET_TEXT: "Support ticket number (for customers)[[:space:]]*\b_No response_\b"
       COMMENT_BODY: |
         Hello, as a customer, you're entitled to tech support which is included in your license. 
         Please [raise a support ticket](https://symless.com/synergy/contact) if you'd like to take advantage of that. 
@@ -29,7 +29,7 @@ jobs:
         run: |
           ISSUE_BODY="${{ github.event.issue.body }}"
           NO_TICKET=$(echo "$ISSUE_BODY" | grep -z -q "$MISSING_TICKET_TEXT" && echo "true" || echo "false")
-          RESULT="no_ticket=${NO_TICKET}" >> $GITHUB_OUTPUT
+          RESULT="no_ticket=${NO_TICKET}"
           echo $RESULT
           echo $RESULT >> $GITHUB_OUTPUT