update PR template

Author: rflamary

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,10 +1,6 @@
 ## Types of changes
 <!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
 
-- [ ] Docs change / refactoring / dependency upgrade
-- [ ] Bug fix (non-breaking change which fixes an issue)
-- [ ] New feature (non-breaking change which adds functionality)
-- [ ] Breaking change (fix or feature that would cause existing functionality to change)
 
 
 ## Motivation and context / Related issue
@@ -13,16 +9,19 @@
 <!--- (we recommend to have an existing issue for each pull request) -->
 
 
+
 ## How has this been tested (if it applies)
 <!--- Please describe here how your modifications have been tested. -->
 
 
-## Checklist
+
+## PR checklist
 <!-- - Go over all the following points, and put an `x` in all the boxes that apply. -->
 <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
 
-- [ ] The documentation is up-to-date with the changes I made.
 - [ ] I have read the [**CONTRIBUTING**](CONTRIBUTING.md) document.
-- [ ] All tests passed, and additional code has been covered with new tests.
+- [ ] The documentation is up-to-date with the changes I made (check build artifacts).
+- [ ] All tests passed, and additional code has been **covered with new tests**.
+- [ ] I have added the PR and Issue fix to the [**RELEASES.md**](RELEASES.md) file.
 
 <!--- In any case, don't hesitate to join and ask questions if you need on slack (https://pot-toolbox.slack.com/), gitter (https://gitter.im/PythonOT/community), or the mailing list (https://mail.python.org/mm3/mailman3/lists/pot.python.org/). -->

RELEASES.md

@@ -1,7 +1,7 @@
 # Releases
 
 
-## 0.8.1
+## 0.8.1dev
 *December 2021*
 
 This release fixes several bugs and introduce two new backends: Cupy