refactor: adjust dynamic schema api to support composite key

[crwen]

What changes are included in this PR?

adjust dynamic schema api to support composite key in the future.

BREAKING CHANGE:

• DynRecord::new(Vec<Value>, usize) --> DynRecord::new(Vec<Value>, Vec<usize>)
• DynSchema::new(Vec<DynamicField>, usize) --> DynRecord::new(Vec<DynamicField>, &[usize])
• dyn_schema!(fields, ..., 0) --> dyn_schema!(fields, ..., [0])
• make_dyn_schema(fields ..., 0) --> make_dyn_schema(fields ..., [0])

[codecov]

Codecov Report

❌ Patch coverage is 98.81657% with 2 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/record/dynamic/record_ref.rs	92.59%	2 Missing ⚠️

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