fix(cli): fix Invalid "extends" configuration value

[cipchk]

• close ng-alain 9 Invalid "extends" configuration value - could not require "tslint-config-prettier". ng-alain#1577

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/ng-alain/delon/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?

[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] 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: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[cipchk]

Preview is ready!

[codecov]

Codecov Report

Merging #824 into master will decrease coverage by 0.07%.
The diff coverage is 44.44%.

@@            Coverage Diff             @@
##           master     #824      +/-   ##
==========================================
- Coverage   97.64%   97.57%   -0.08%     
==========================================
  Files         239      239              
  Lines        6889     6895       +6     
  Branches     1297     1300       +3     
==========================================
+ Hits         6727     6728       +1     
- Misses        104      108       +4     
- Partials       58       59       +1     

Impacted Files	Coverage Δ
packages/chart/tag-cloud/tag-cloud.component.ts	31.50% <33.33%> (+0.16%)	⬆️
packages/util/src/logger/logger.ts	81.81% <50.00%> (-4.55%)	⬇️
packages/chart/timeline/timeline.component.ts	100.00% <100.00%> (ø)

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