Add deffault(s|ed)->default(s|ed) correction

Author: cfi-gb

Diff for: codespell_lib/data/dictionary.txt

@@ -11329,6 +11329,9 @@ deferencing->dereferencing
 deferentiating->differentiating
 defering->deferring
 deferreal->deferral
+deffault->default
+deffaulted->defaulted
+deffaults->defaults
 deffensively->defensively
 deffered->differed, deferred,
 defference->difference, deference,