refactor: override spec with more attribute config operation including : and +=

[Peefy]

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

• N
• Y

Closes #1346

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

• kclvm/ast/src/ast.rs
• kclvm/query/Cargo.toml
• kclvm/query/src/lib.rs
• kclvm/query/src/override.rs
• kclvm/query/src/util.rs
• kclvm/runner/src/runner.rs
• kclvm/spec/gpyrpc/gpyrpc.proto

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

• kclvm/query/src/tests.rs

[coveralls]

Pull Request Test Coverage Report for Build 9233625588

Details

• 166 of 177 (93.79%) changed or added relevant lines in 5 files are covered.
• 2 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.04%) to 71.226%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
kclvm/runner/src/runner.rs	1	2	50.0%
kclvm/query/src/override.rs	133	143	93.01%

Files with Coverage Reduction	New Missed Lines	%
kclvm/query/src/util.rs	1	61.9%
kclvm/runner/src/runner.rs	1	71.51%

Totals
Change from base Build 9224776410:	0.04%
Covered Lines:	54140
Relevant Lines:	76012

---

💛 - Coveralls