Prepare for v2.20 release

- Update CHANGELOG.md

Author: haata

CHANGELOG.md

@@ -1,3 +1,8 @@
+## v2.2.0 (2025-09-12)
+- Add binary support in dictionaries via base64 encoding (#351)
+- Add structure-free read_multiple_bytes_packed (#378)
+- Support python custom message builder and make Data field's type return MemoryView (#380)
+
 ## v2.1.0 (2025-09-04)
 - Add Python 3.13 support
   * Python 3.8 is still enabled but will be disabled if changes are needed that prevent compatibility with newer versions of Python (e.g. 3.14)

setup.py

@@ -23,7 +23,7 @@
 
 
 MAJOR = 2
-MINOR = 1
+MINOR = 2
 MICRO = 0
 TAG = ""
 VERSION = "%d.%d.%d%s" % (MAJOR, MINOR, MICRO, TAG)