* Use system shell + add to bunfig
* Update CMakeLists.txt
* Fix tests + flags
* Use execPath
* windows
* Propagate exit code
* Add test for default shell in use
* Update bun-run-bunfig.test.ts
* Update bun-run-bunfig.test.ts
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Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>