tweak(.github): Update pr template wording (Significant-Gravitas#8103)

* update pr template wording

* add what and how

* Update .github/PULL_REQUEST_TEMPLATE.md

---------

Co-authored-by: Toran Bruce Richards <[email protected]>

Author: aarushik93

.github/PULL_REQUEST_TEMPLATE.md

@@ -12,11 +12,12 @@
 Only for the new autogpt platform, currently in rnd/
 
 <!--
-Please confirm you have tested our critical paths
+Please make sure your changes have been tested and are in good working condition. 
+Here is a list of our critical paths, if you need some inspiration on what and how to test:
 -->
 
-- [ ] Create from scratch and execute an agent with at least 3 blocks
-- [ ] Import an agent from file upload, and confirm it executes correctly
-- [ ] Upload agent to marketplace
-- [ ] Import an agent from marketplace and confirm it executes correctly
-- [ ] Edit an agent from monitor, and confirm it executes correctly
+- Create from scratch and execute an agent with at least 3 blocks
+- Import an agent from file upload, and confirm it executes correctly
+- Upload agent to marketplace
+- Import an agent from marketplace and confirm it executes correctly
+- Edit an agent from monitor, and confirm it executes correctly