Mark text as shipped so it's marked as official

Signed-off-by: Jan-Christoph Borchardt <hey@jancborchardt.net>

core/shipped.json

@@ -33,6 +33,7 @@
     "support",
     "survey_client",
     "systemtags",
+    "text",
     "theming",
     "twofactor_backupcodes",
     "updatenotification",