Update CODEOWNERS (#22847)

Updating batch code owners

Author: wiboris

.github/CODEOWNERS

@@ -2,6 +2,7 @@
 /src/Network/    @Joanna-Yang-Art @htippanaboya
 /src/Compute/    @bilaakpan-ms @sandido @haagha @grizzlytheodore
 /src/PolicyInsights/  @pilor
+/src/Batch/ @wiboris @dpwatrous
 
 # Make sure changes to .github folder go through our team's double check
 /.github/        @isra-fel