ci(github): update PULL_REQUEST_TEMPLATE.md

Signed-off-by: Mark <remarkablemark@users.noreply.github.com>

Author: remarkablemark

.github/PULL_REQUEST_TEMPLATE.md

@@ -25,6 +25,7 @@ To check an item, place an "x" in the box like so: `- [x] Tests`
 - [ ] Tests
 - [ ] Documentation
 - [ ] Types
+- [ ] Request review from @remarkablemark
 
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