feat: make 'kcl mod run' support ModSpec

[zong-zhe]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• [ ] N
• [x] Y

re https://github.com/kcl-lang/kpm/issues/289

2. What is the scope of this PR (e.g. component or file name):

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• [x] Affects user behaviors
• [ ] Contains syntax changes
• [ ] Contains variable changes
• [ ] Contains experimental features
• [ ] Performance regression: Consumes more CPU
• [ ] Performance regression: Consumes more Memory
• [ ] Other

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• [x] N
• [ ] Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• [ ] Unit test
• [x] Integration test
• [ ] Benchmark (add benchmark stats below)
• [ ] Manual test (add detailed scripts or steps below)
• [ ] Other

[coveralls]

Pull Request Test Coverage Report for Build 11739103988

Details

• 18 of 30 (60.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+1.0%) to 15.591%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/options/run.go	18	30	60.0%
<!--	Total:	18	30	60.0%	-->

Files with Coverage Reduction	New Missed Lines	%
pkg/options/run.go	1	29.73%
<!--	Total:	1		-->

Totals
Change from base Build 11738065707:	1.0%
Covered Lines:	99
Relevant Lines:	635

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💛 - Coveralls