chore: Bump neogen version to 2.2.0

lua/neogen/init.lua

@@ -202,8 +202,12 @@ end
 ---@eval return MiniDoc.afterlines_to_code(MiniDoc.current.eval_section)
 ---@text # Changelog~
 ---
---- Note: We will only document major and minor versions.
+--- Note: We will only document `major` and `minor` versions, not `patch` ones.
 ---
+--- ## 2.2.0~
+---   ### Python~
+---     - Add support for `*args` and `**kwargs`
+---     - Fix python return annotations being inconsistent in numpydoc template
 --- ## 2.1.0~
 ---   - Add basic support for `kotlin` (`kdoc`).
 --- ## 2.0.0~
@@ -215,7 +219,7 @@ end
 ---     with multiple annotation conventions.
 ---@tag neogen-changelog
 ---@toc_entry Changes in neogen plugin
-neogen.version = "2.1.0"
+neogen.version = "2.2.0"
 --minidoc_afterlines_end
 
 return neogen