Prepare release notes for release v0.8.0 (#149)

Author: llucax

RELEASE_NOTES.md

@@ -2,7 +2,7 @@
 
 ## Summary
 
-<!-- Here goes a general summary of what this release is about -->
+This release introduces sensors support and adds official support for Python 3.12. It also includes some bug fixes.
 
 ## Upgrading