FEDX-1648: Added symbol kind support

[matthewnitschke-wk]

Currently, indexed symbols are just the symbol as declared by the scip spec

This implies there's no way to tell the difference between a class Foo symbol, a mixin Foo symbol, and a extension Foo symbol

This PR populates the kind field on the scip symbol to resolve this, and enable deeper information about each indexed symbol provided by scip-dart

QA

• Kind is not currently included within snapshot results, lets index the snapshot directory and manually verify kind using scip print
• Once Test Command sourcegraph/scip#236 is merged, I'll consider adding kind annotation selections so we can write targeted unit tests for this concept

[aviary2-wf]

Security Insights

No security relevant content was detected by automated scans.

Action Items

• Review PR for security impact; comment "security review required" if needed or unsure
• Verify aviary.yaml coverage of security relevant code

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[matthewnitschke-wk]

QA +1

Generated symbols contain the correct "kind"

[matthewnitschke-wk]

🚀 @Workiva/release-management-p 🚢

[rmconsole-wf]

+1 from RM