0.2.7

CHANGES:

Changed

• Upgrade fpath-base to 0.0.9 (was renamed from fpath-extended).
• Uses expect-test-helpers (reduce core dependencies).
• Upgrade mdx to 2.4. Add skip to non-executable ocaml sections.
• Run ppx_js_style as a linter & make it a dev dependency.
• Upgrade GitHub workflows actions/checkout to v4.
• In CI, specify build target @all, and add @lint.
• List ppxs instead of ppx_jane.