Update dependency negotiator to v0.6.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
negotiator	0.6.3 -> 0.6.4

---

Release Notes

jshttp/negotiator (negotiator)

v0.6.4

Compare Source

• Added an option preferred encodings array (#​59) 8f58d74
• Replace deprecated String.prototype.substr() d3c7697

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.59%. Comparing base (98e34e4) to head (0c3e4cc).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #498   +/-   ##
=======================================
  Coverage   73.59%   73.59%           
=======================================
  Files          31       31           
  Lines        2030     2030           
=======================================
  Hits         1494     1494           
  Misses        465      465           
  Partials       71       71           

Flag	Coverage Δ
unittests	73.59% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests
• JS Bundle Analysis - Avoid shipping oversized bundles