python3-xmlschema: upgrade 2.2.1 -> 2.2.2

Changelog:
==========
 Fix mixed content extension with empty content (issue openembedded#337)
 Fix lru_cache() usage on global maps caching

Signed-off-by: Wang Mingyu <[email protected]>
Signed-off-by: Khem Raj <[email protected]>

Author: wangmingyu84

meta-python/recipes-devtools/python/python3-xmlschema_2.2.1.bb renamed to meta-python/recipes-devtools/python/python3-xmlschema_2.2.2.bb

@@ -3,7 +3,7 @@ HOMEPAGE = "https://github.com/sissaschool/xmlschema"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=0ab20f8e337bea2e6874f372edfd12c0"
 
-SRC_URI[sha256sum] = "035939104bacd0ccefcd591220cce90d160d71f17189ee332a011c3fd05c086d"
+SRC_URI[sha256sum] = "0caa96668807b4b51c42a0fe2b6610752bc59f069615df3e34dcfffb962973fd"
 
 PYPI_PACKAGE = "xmlschema"
 inherit pypi setuptools3