* fix(cli): warn about ignored TOML logging configuration
Keep logging process-wide and direct users to CLI options or environment variables when legacy logging sections are present. Emit diagnostics for files, config directories, stdin, and config validation.
Refs #984
* fix(test): use relocated core binary in nextest archives
Resolve the runtime NEXTEST_BIN_EXE path before clearing the child environment, with a compile-time fallback for cargo test. This avoids using the build runner's binary path after extracting an archive on another runner.