feat: use orderedmap replace map for dependencies in kcl.mod

[zong-zhe]

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

• N
• Y

closes #333

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):

• 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):

• N
• Y

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

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

[Peefy]

LGTM

[coveralls]

Pull Request Test Coverage Report for Build 9789998934

Details

• 105 of 152 (69.08%) changed or added relevant lines in 6 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.2%) to 44.381%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/cmd/cmd_update.go	0	3	0.0%
pkg/package/toml.go	27	31	87.1%
pkg/package/package.go	4	9	44.44%
pkg/package/modfile.go	7	21	33.33%
pkg/client/client.go	59	80	73.75%

Totals
Change from base Build 9576048206:	0.2%
Covered Lines:	2638
Relevant Lines:	5944

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9790227553

Details

• 113 of 160 (70.63%) changed or added relevant lines in 6 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.3%) to 44.454%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/cmd/cmd_update.go	0	3	0.0%
pkg/package/toml.go	35	39	89.74%
pkg/package/package.go	4	9	44.44%
pkg/package/modfile.go	7	21	33.33%
pkg/client/client.go	59	80	73.75%

Totals
Change from base Build 9576048206:	0.3%
Covered Lines:	2645
Relevant Lines:	5950

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9790242714

Details

• 113 of 160 (70.63%) changed or added relevant lines in 6 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.3%) to 44.454%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/cmd/cmd_update.go	0	3	0.0%
pkg/package/toml.go	35	39	89.74%
pkg/package/package.go	4	9	44.44%
pkg/package/modfile.go	7	21	33.33%
pkg/client/client.go	59	80	73.75%

Totals
Change from base Build 9576048206:	0.3%
Covered Lines:	2645
Relevant Lines:	5950

---

💛 - Coveralls