build(packaging): fix cdk 2.0.0-beta.12 configurations of rollup

[wilsoncook]

close #504

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[x] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Application (the showcase website) / infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: #504

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[coveralls]

Coverage remained the same at 43.912% when pulling 615b99f on wilsoncook:fix-rollup-cdk into 5766569 on NG-ZORRO:master.

[coveralls]

Coverage remained the same at 43.912% when pulling a325d87 on wilsoncook:fix-rollup-cdk into 5766569 on NG-ZORRO:master.