replace use of action-add-labels with gh CLI

Signed-off-by: Jonathan Dowland <[email protected]>

Author: jmtd

.github/workflows/jiralabels.yml

@@ -25,13 +25,8 @@ jobs:
 
       - name: Apply label if URI missing
         if: steps.check_uri.outputs.missing == 'true'
-        uses: actions-ecosystem/action-add-labels@v1
-        with:
-          labels: "needs-jira-issue"
+        run: gh pr edit "${{ github.event.pr.number }}" --add-label "needs-jira-issue"
 
       - name: Remove label if URI present
         if: steps.check_uri.outputs.missing == 'false'
-        uses: actions-ecosystem/action-remove-labels@v1
-        with:
-          labels: "needs-jira-issue"
-
+        run: gh pr edit "${{ github.event.pr.number }}" --remove-label "needs-jira-issue"