Make pull request template refer to avodocs not docs

At some point the documentation for avo was moved from avo-hq/docs to avo-hq/avodocs. The pull request template is still referring to the old docs repository, so I've updated it to point to the current one

.github/PULL_REQUEST_TEMPLATE.md

@@ -15,7 +15,7 @@ Fixes # (issue)
 
 - [ ] I have performed a self-review of my own code
 - [ ] I have commented my code, particularly in hard-to-understand areas
-- [ ] I have made corresponding changes to the [documentation](https://github.com/avo-hq/docs)
+- [ ] I have made corresponding changes to the [documentation](https://github.com/avo-hq/avodocs)
 - [ ] I have added tests that prove my fix is effective or that my feature works