fix: Updated codeowners (#957)

Signed-off-by: Roger Barker <[email protected]>

.github/CODEOWNERS

@@ -8,15 +8,15 @@
 # NOTE: Must be placed last to ensure enforcement over all other rules
 
 # Protection Rules for Github Configuration Files and Actions Workflows
-/.github/                                       @hashgraph/release-engineering @hashgraph/release-engineering-managers
+/.github/                                       @hashgraph/release-engineering @hashgraph/release-engineering-managers @mgarbs
 
 # Self-protection for root CODEOWNERS files (this file should not exist and should definitely require approval)
-/CODEOWNERS                                      @hashgraph/release-engineering @hashgraph/release-engineering-managers
+/CODEOWNERS                                      @hashgraph/release-engineering @hashgraph/release-engineering-managers @mgarbs
 
 # Protect the repository root files
-/README.md                                      @hashgraph/release-engineering @hashgraph/release-engineering-managers
-**/LICENSE                                      @hashgraph/release-engineering @hashgraph/release-engineering-managers
+/README.md                                      @hashgraph/release-engineering @hashgraph/release-engineering-managers @mgarbs
+**/LICENSE                                      @hashgraph/release-engineering @hashgraph/release-engineering-managers @mgarbs
 
 # Git Ignore definitions
-**/.gitignore                                   @hashgraph/release-engineering @hashgraph/release-engineering-managers
-**/.gitignore.*                                 @hashgraph/release-engineering @hashgraph/release-engineering-managers
+**/.gitignore                                   @hashgraph/release-engineering @hashgraph/release-engineering-managers @mgarbs
+**/.gitignore.*                                 @hashgraph/release-engineering @hashgraph/release-engineering-managers @mgarbs