{CI} Add global linter exclusions for new linter rules (Azure#13718)

* add global linter exclusions for new linter rules

* add code owner

Author: mmyyrroonn

.github/CODEOWNERS

@@ -4,6 +4,8 @@
 *help.yaml @haroldrandom @Juliehzl
 *help.yml  @haroldrandom @Juliehzl
 
+/linter_exclusions.yml @MyronFanQiu @haroldrandom
+
 /tools/ @haroldrandom @fengzhou-msft
 /scripts/ @haroldrandom @fengzhou-msft
 /src/azure-cli-testsdk/ @bim-msft @MyronFanQiu @haroldrandom