Fix hashbang comments by using proper goal symbols · boa-dev/boa@4ede603

ENOENT: no such file or directory, opendir '/home/runner/work/boa/boa/target/tests/target'

Error: ENOENT: no such file or directory, opendir '/home/runner/work/boa/boa/target/tests/target'

Codecov: Failed to properly create commit: The process '/home/runner/work/_actions/codecov/codecov-action/v4/dist/codecov' failed with exit code 1