chore: add codeowner for moment adapter package (#6691)

* Adds @mmalerba as codeowner for the new Material moment adapter package.

.github/CODEOWNERS

@@ -64,3 +64,6 @@ scripts/**                         @devversion @jelbourn
 
 # Docs examples
 src/material-examples/**           @amcdnl @jelbourn
+
+# Moment adapter package
+src/material-moment-adapter/**     @mmalerba

tools/gulp/tasks/publish.ts

@@ -97,6 +97,7 @@ task(':publish', async () => {
 
   if (releasePackages.length > 1) {
     console.warn(red('Warning: Multiple packages will be released if proceeding.'));
+    console.warn(red('Warning: Packages to be released: ', releasePackages.join(', ')));
   }
 
   // Iterate over every declared release package and publish it on NPM.