Release notes for extending support to Python 3.12 (#640)

docs/release/release_v1.6.md

@@ -7,7 +7,7 @@
 - Smoother, faster interactions with main plots, including atlas label name display, label editing, and pan and zoom navigation
 - Available as binary wheel to install without requiring the source code
 - Faster, lighter installation with fewer required dependency packages
-- Extends suppor to Python 3.11 and defaults to Python 3.9
+- Extends support to Python 3.12 and defaults to Python 3.9
 - Simpler entry point to launch MagellanMapper: `mm`
 - Supports ITK-Elastix for image registration
 - Atlases can be downloaded directly through [`BrainGlobe`](https://github.com/brainglobe/bg-atlasapi) (see the new "Atlases" panel)
@@ -199,13 +199,13 @@
 - Jupyter Notebook as a tutorial for running various tasks in the CLI (#122)
 - Documentation is now [hosted on ReadTheDocs](https://magellanmapper.readthedocs.io/en/latest/index.html), using the Furo theme (#225, #563)
 - Default arguments are documented in API auto-docs (#485)
-- Expand continuous integration testing to both pinned and fresh dependencies across Python 3.6-3.11 (#75, #101, #252, #342, #538)
+- Expand continuous integration testing to both pinned and fresh dependencies across Python 3.6-3.12 (#75, #101, #252, #342, #538, #640)
 
 ### Dependency Updates
 
 #### Python Dependency Changes
 
-- Python 3.10-3.11 are now supported (#379, #517)
+- Python 3.10-3.12 are now supported (#379, #517, #640)
 - Python 3.9 is the default version now that Python 3.6 has reached End-of-Life, and NumPy no longer supports Python 3.8 (#559, #563)
 - Python 3.6-8 have been deprecated for removal in MM v1.7 and have separate pinned dependencies (`envs/requirements_py3<n>`) (#232, #379)
 - Custom dependency binaries are now built for Python 3.8-3.11 (#379)