feat: update pr template (#1321)

.github/pull_request_template.md

@@ -14,6 +14,8 @@ Please delete options that are not relevant.
 - [ ] Refactor
 
 ## Checklist
+
+- [ ] “Hotfix” to `testnet`, everything else to `staging`
 - [ ] Linked to Github Issue
 - [ ] This change depends on code or research by an external entity
   - [ ] Acknowledgements were updated to give credit
@@ -24,3 +26,6 @@ Please delete options that are not relevant.
   - [ ] Benchmarks added/run
 - [ ] Has a known issue
   - [Link to the open issue addressing it]() 
+- [ ] If your PR changes the Operator compatibility (Ex: Upgrade prover versions)
+  - [ ] This PR adds compatibility for operator for both versions and do not change batcher/docs/examples
+  - [ ] This PR updates batcher and docs/examples to the newer version. This requires the operator are already updated to be compatible