CODEOWNERS: remove inactive users, sync contributing-guides list (#20574)

Author: sebastiaanspeck

.github/CODEOWNERS

@@ -30,19 +30,21 @@
 /contributing-guides/style-guide.md @sbrl @kbdharun @sebastiaanspeck
 /contributing-guides/translation-templates/ @kbdharun @sebastiaanspeck
 /contributing-guides/*.ar.md @MachiavelliII @ali90h
+/contributing-guides/*.bn.md @badhon495
+/contributing-guides/*.cs.md @Sarijen
 /contributing-guides/*.de.md @pixelcmtd @gutjuri
 /contributing-guides/*.es.md @kant
 /contributing-guides/*.fa.md @MrMw3
-/contributing-guides/*.fr.md @Nico385412 @nicokosi @noraj
-/contributing-guides/*.hi.md @kbdharun @debghs @karthik-script
+/contributing-guides/*.fi.md @Managor
+/contributing-guides/*.fr.md @nicokosi @noraj
+/contributing-guides/*.hi.md @kbdharun @debghs
 /contributing-guides/*.id.md @reinhart1010
-/contributing-guides/*.it.md @mebeim @tansiret @Magrid0
-/contributing-guides/*.ko.md @IMHOJEONG @Zamoca42 @CodePsy-2001
+/contributing-guides/*.it.md @mebeim @tansiret @Magrid0 @SpikeTheDragon40k
 /contributing-guides/*.nl.md @sebastiaanspeck @leonvsc @Waples @dmmqz
 /contributing-guides/*.pl.md @acuteenvy @spageektti
 /contributing-guides/*.pt_BR.md @isaacvicente @renie
 /contributing-guides/*.ru.md @ivanbaluta @emmanuel-ferdman
 /contributing-guides/*.ta.md @kbdharun
 /contributing-guides/*.tr.md @tansiret
-/contributing-guides/*.zh.md @blueskyson @einverne @BananaaaKING
-/contributing-guides/*.zh_TW.md @blueskyson
+/contributing-guides/*.zh.md @blueskyson @einverne @DustMerlin @zhb4 @BananaaaKING
+/contributing-guides/*.zh_TW.md @blueskyson @DustMerlin @zhb4