Update pull_request_template.md (#63)

.github/pull_request_template.md

 
 ## Dev Testing:
 **Tests Added**: 
-<br>
-**Package Tests (Pass/Fail)**: 
-[X] - Make sure automation passes 
-<br>
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-<br>
+
-<br>
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+## Checklist
+- [ ] - Updated docs
+- [ ] - Updated changelog