mozc: rebuild for protobuf, patch gyp to build with Python 3.10

srcpkgs/mozc/patches/gyp-py310.patch

@@ -0,0 +1,20 @@
+--- a/gyp/pylib/gyp/common.py
++++ b/gyp/pylib/gyp/common.py
+@@ -4,7 +4,7 @@
+ 
+ from __future__ import with_statement
+ 
+-import collections
++import collections.abc
+ import errno
+ import filecmp
+ import os.path
+@@ -494,7 +494,7 @@
+ 
+ 
+ # Based on http://code.activestate.com/recipes/576694/.
+-class OrderedSet(collections.MutableSet):
++class OrderedSet(collections.abc.MutableSet):
+   def __init__(self, iterable=None):
+     self.end = end = []
+     end += [None, end, end]         # sentinel node for doubly linked list

srcpkgs/mozc/template

@@ -3,7 +3,7 @@ pkgname=mozc
 # src/data/version/mozc_version_template.bzl
 # revision is always 102, template always says 100 ;)
 version=2.26.4472.102
-revision=1
+revision=2
 _commit=439a610ac6b6a92375b4a8188d6c9ef45ea591dd
 _abseil=20210324.1
 create_wrksrc=yes