v0.4.0

What's Changed

• Bump Swatinem/rust-cache from 1.4.0 to 2.0.0 by @dependabot in #13
• add browser build, js tests by @jbr in #12
• include pkg/{node,web}/* in tarball by @jbr in #14
• Always enable hpke/std feature (was: Re-expose hpke/std feature) by @tgeoghegan in #15
• Bump actions/checkout from 2 to 3 by @dependabot in #16
• drop wee_alloc dependency by @tgeoghegan in #18
• use wasm-bindgen's fs.readFileSync loader in node by @jbr in #17

Full Changelog: v0.3.0...v0.4.0