Update expected words

VictoriousRaptor · VictoriousRaptor · commit 457e4138b492 · 2023-01-13T15:15:03.000+08:00
diff --git a/.github/actions/spelling/expect.txt b/.github/actions/spelling/expect.txt
@@ -83,4 +83,6 @@ btn
 otf
 searchplugin
 Noresult
-wpftk
+wpftk
+mkv
+flac
