Prep for 9.0.0 release

Author: daviddrysdale

python/HISTORY.md

@@ -12,6 +12,12 @@ This file does not generally include descriptions of patch releases (vX.Y.Z
 changes.  (Metadata updates are best checked
 [upstream](https://github.com/google/libphonenumber/blob/master/release_notes.txt).)
 
+What's new in 9.0.0
+--------------------
+
+Merge to upstream version 9.0.0.  This is a major version change in the upstream code due to an update in the required
+Java version; however, the Python version only has metadata changes.
+
 What's new in 8.13.8
 --------------------
 

python/phonenumbers/__init__.py

@@ -146,7 +146,7 @@
 
 # Version number is taken from the upstream libphonenumber version
 # together with an indication of the version of the Python-specific code.
-__version__ = "8.13.55"
+__version__ = "9.0.0"
 
 __all__ = ['PhoneNumber', 'CountryCodeSource', 'FrozenPhoneNumber',
            'REGION_CODE_FOR_NON_GEO_ENTITY', 'NumberFormat', 'PhoneNumberDesc', 'PhoneMetadata',