Update dependency wpackagist-theme/twentytwentyone to v2.2

This MR contains the following updates:

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

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composer.json

@@ -121,7 +121,7 @@
         "wpackagist-plugin/unconfirmed": "1.3.7",
         "noblogs/wp-mat": "0.1.4",
         "wpackagist-plugin/secure-encrypted-form": "1.0.1",
-        "wpackagist-theme/twentytwentyone": "2.1",
+        "wpackagist-theme/twentytwentyone": "2.2",
         "wpackagist-plugin/wpgancio": "1.9"
     },    
     "extra": {