v4.0.0

b1dbd63 (Set minimum supported nodejs version to 24.x, 2026-10-29)
d5856e9 (Convert to ESM, 2026-10-29)
fd0a1e4 (Drop chai and report get transform errors directly, 2026-10-28)
a275556 (Throw when passing a url to get, like pinejs-client-core, 2026-10-28)
bb88533 (Throw on the unsupported prepare and subscribe methods, 2026-10-28)
42ecf2d (Fix package description, 2026-10-29)
89a93d9 (Remove unused files, 2026-10-29)