Version 1.3.0 Release

This release contains various improvements and bug fixes, especially for bilby_mcmc that are needed for review.

The next release will contain an update to dynesty that is needed for review and will follow this quite soon.

CHANGELOG.md

@@ -3,8 +3,8 @@
 ## [1.3.0] 2022-10-23
 Version 1.3.0 release of Bilby
 
-This release has a major change to a sampler interface:
-- `pymc3` is no longer supported, users should switch to `pymc>=4`.
+This release has a major change to a sampler interface, `pymc3` is no longer supported, users should switch to `pymc>=4`.
+This release also adds a new top-level dependency, `bilby-cython`.
 
 This release also contains various documentation improvements.