fix(v3.5.4, #659): signed parameter-sort for per-request HMAC WSAPI signatures

[tiagosiebler]

Summary

• Fix sign issue due to missing parameter sort, when using per-request WSAPI sign (HMAC & RSA keys)
• Split test stages into categories
• Introduce WSAPI auth tests
• Misc bumps after audit
• Remove redundant circleci config

Additional Information

PR Checklist

As part of the PR, make sure you have:

• No breaking changes / documented all breaking changes clearly.
• Updated & checked that all tests pass.
• Increased the version number in the package.json
• Checked npm install runs without issue.
• Included the package-lock.json, if it changed after npm install
• Checked npm run build runs without issue.
• Updated the endpoint map (optional, if you know how).
• Run llms.txt generator (optional, if you know how).