Error captureStackTrace() is not implemented on some platforms

[kixxauth]

Results in:

TypeError: Error.captureStackTrace is not a function. (In 'Error.captureStackTrace(this, caller)', 'Error.captureStackTrace' is undefined)AssertionError@http://localhost:9000/js/kixx-assert.js:47:26
innerAssert@http://localhost:9000/js/kixx-assert.js:318:29

[kixxauth]

In the updated 2.0 version of kixx-assert we re-introduced the call to captureStackTrace() without a conditional check. Unfortunately, even today in 2025, this will break on some platforms. Ex; it is not implemented on some versions of Deno

Reference: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/captureStackTrace