Update dependency wpackagist-theme/twentynineteen to v2.2

This MR contains the following updates:

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

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composer.json

@@ -40,7 +40,7 @@
         "wpackagist-plugin/disable-wordpress-updates": "1.6.8",
         "wpackagist-plugin/more-privacy-options": "4.6",
         "wpackagist-plugin/disable-emojis": "1.7.3",
-        "wpackagist-plugin/wp-super-cache": "1.7.4",
+        "wpackagist-plugin/wp-super-cache": "1.7.7",
         "wpackagist-plugin/wp-piwik": "1.0.26",
         "wpackagist-plugin/wp-statusnet": "1.4.2",
         "wpackagist-plugin/wp-syntax": "1.1",
@@ -72,7 +72,7 @@
         "wpackagist-theme/twentyfifteen": "3.0",
         "wpackagist-theme/twentyfourteen": "3.2",
         "wpackagist-theme/twentynineteen": "2.2",
-        "wpackagist-theme/twentyseventeen": "2.8",
+        "wpackagist-theme/twentyseventeen": "2.9",
         "wpackagist-theme/twentysixteen": "2.5",
         "wpackagist-theme/twentyten": "3.5",
         "wpackagist-theme/twentythirteen": "3.4",