update template with checkbox for SPGO data (#3987)

.github/workflows/release-scheduler.yml

@@ -34,8 +34,10 @@ jobs:
           BODY: |
             This is an automated reminder that a new release for eBPF is scheduled to be created:
 
-            1. Follow instructions in [ReleaseProcess.md](https://github.com/microsoft/ebpf-for-windows/blob/main/docs/ReleaseProcess.md).
-            1. Sync the internal `mscodehub` and follow the internal release instructions in `\.internal\docs\ReleaseEbpfRedistProcess.md`.
+            - [ ] Ensure SPGO data is regenerated and added to the repo using performance test suite.
+            - [ ] Follow instructions in [ReleaseProcess.md](https://github.com/microsoft/ebpf-for-windows/blob/main/docs/ReleaseProcess.md).
+            - [ ] Sync the internal `undock` and follow the internal release instructions in `\.internal\docs\ReleaseEbpfRedistProcess.md`.
+
         with:
           script: |
             const owner = process.env.GITHUB_REPOSITORY.split('/')[0]