Add supportting->supporting and variants

As spotted by @FloEdelmann in https://github.com/streetcomplete/StreetComplete/pull/3769#discussion_r808308525
diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index 28f8dcd..65f59ca 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -30044,7 +30044,10 @@
 supportes->supports
 supportet->supporter, supported,
 supportin->supporting
+supportt->support
 supportted->supported
+supportting->supporting
+supportts->supports
 supposeable->supposable
 supposeded->supposed
 supposedely->supposedly