CODEOWNERS: Adding automation section (#4432)

* CODEOWNERS: Adding automation section

Adding automation owners

* Update CODEOWNERS

Co-authored-by: Daniel Jurek <djurek@microsoft.com>

.github/CODEOWNERS

@@ -1,2 +1,5 @@
 # Default owners
 * @daviwil @timotheeguerin
+
+# Git Hub bot rules
+/.github/fabricbot.json  @AlexGhiondea @jsquire