Release v4.0.4

Changes

• chore(release): bump version to 4.0.4
• docs: API documentation update (#777)
• fix(midnight-js): use per-recipient encryption keys in zswap output creation (#745)
• test(testkit-js): add e2e tests for std library token functions (#772)
• test(testkit-js): add unshielded mint and send variant e2e tests (#766)
• Add dependabot cooldown of 7 days to all package ecosystems (#767)
• fix: add option to use a github token for compact fetch (#760)
• test: enable custom color token e2e tests (#765)
• docs: API documentation update (#764)
• chore(deps-dev): aggregate dependency updates (#759)
• docs: add documentation for dapp-connector-proof-provider and midnight-js packages (#751)
• docs: add badges to README (#743)
• chore(deps): bump the npm_and_yarn group across 1 directory with 3 updates (#746)
• docs: API documentation update (#750)
• docs: add README and TSDoc for dapp-connector-proof-provider and midnight-js (#741)
• fix: Support Browser builds when crypto.timingSafeEqual is missing (#737)