Add simonfaltum to codeowners (#4642)

## Changes
Add simonfaltum to codeowners

Author: andrewnester

.github/CODEOWNERS

@@ -1,6 +1,6 @@
-*                         @andrewnester @anton-107 @denik @pietern @shreyas-goenka
-/cmd/bundle/bundle.go     @andrewnester @anton-107 @denik @pietern @shreyas-goenka @lennartkats-db
-/libs/template/           @andrewnester @anton-107 @denik @pietern @shreyas-goenka @lennartkats-db
+*                         @andrewnester @anton-107 @denik @pietern @shreyas-goenka @simonfaltum
+/cmd/bundle/bundle.go     @andrewnester @anton-107 @denik @pietern @shreyas-goenka @simonfaltum @lennartkats-db
+/libs/template/           @andrewnester @anton-107 @denik @pietern @shreyas-goenka @simonfaltum @lennartkats-db
 /acceptance/pipelines/    @jefferycheng1 @kanterov @lennartkats-db
 /cmd/pipelines/           @jefferycheng1 @kanterov @lennartkats-db
 /cmd/labs/                @alexott @nfx