Add variations around "mistmatch"

codespell_lib/data/dictionary.txt

diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index 6fcb50d..989dde2 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -19070,7 +19070,9 @@
 mistery->mystery
 misteryous->mysterious
 mistmatch->mismatch
+mistmatched->mismatched
 mistmatches->mismatches
+mistmatching->mismatching
 mittigate->mitigate
 miximum->maximum
 mixted->mixed