Update dependency wpackagist-theme/twentytwenty to v2.2

This MR contains the following updates:

Package	Type	Update	Change
wpackagist-theme/twentytwenty (source)	require	minor	2.1 -> 2.2

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composer.json

@@ -78,7 +78,7 @@
         "wpackagist-theme/twentyten": "3.8",
         "wpackagist-theme/twentythirteen": "3.6",
         "wpackagist-theme/twentytwelve": "3.9",
-        "wpackagist-theme/twentytwenty": "2.1",
+        "wpackagist-theme/twentytwenty": "2.2",
         "wpackagist-theme/wp-andreas01": "2.0",
         "wpackagist-theme/zenlite": "4.10",
         "npm-asset/scriptaculous-js": "1.9.0",