immutables v0.16

Updates
=======

* Refactor typings
  (by @bryanforbes in 39f9f0d and @msullivan in 4a17549)

* Update Python 3.10 support, drop Python 3.5
  (by @elprans in fa35523 and 189b959)

Fixes
=====

* Fix test_none_collisions on 32-bit systems (#69)
  (by @elprans in fa35523 for #69)

Misc
====

* Clarify the license of the included pythoncapi_compat.h header
  (by @elprans in 67c5edf for #64)

* Use cibuildwheel to build wheels (#70)
  (by @elprans in f671cb4 for #70)

immutables/_version.py

@@ -10,4 +10,4 @@
 # supported platforms, publish the packages on PyPI, merge the PR
 # to the target branch, create a Git tag pointing to the commit.
 
-__version__ = '0.15'
+__version__ = '0.16'