feat(csharp): Add driver manager#4075

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davidhcoe wants to merge 6 commits intoapache:mainfrom

davidhcoe:dev/csharp-drivermanager

Commits on Mar 11, 2026

initial check-in
David Coe
committed
Merge https://github.com/davidhcoe/arrow-adbc into dev/csharp-drivermanager
David Coe
committed
update readme header
David Coe
committed

Commits on Mar 13, 2026

refactor; add security
David Coe
committed
fix tests for GitHub
David Coe
committed
update profile parsing
David Coe
committed