Added @kilianhuempfer to review bash pull requests

Author: Bjorn Boe

.github/CODEOWNERS

@@ -22,7 +22,7 @@
 # Order is important; the last matching pattern takes the most precedence.
 
 /AWS-System-Manager/
-/bash/ @bvboe @marcosgm @lhasadreams @iancrichardson @gabeobrien
+/bash/ @bvboe @marcosgm @lhasadreams @iancrichardson @gabeobrien @kilianhuempfer
 /cfg_analyzers/ @rmoles @marcosgm
 /pwsh/ @marcosgm
 /scanners/ @marcosgm @shiloam