Change runner environment to ubuntu-latest

Signed-off-by: Anshul  <137977998+sudo-anshul@users.noreply.github.com>

Author: sudo-anshul

.github/workflows/approved-issues.yml

@@ -22,7 +22,7 @@ jobs:
   approve:
     if: github.event.label.name == 'approved'
     name: Approve Issue
-    runs-on: hl-sdk-py-lin-md
+    runs-on: ubuntu-latest
 
     steps:
       - name: Harden Runner