Update dependency pusher-js to v8.5.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
pusher-js	8.4.0 → 8.5.0

---

Release Notes

pusher/pusher-js (pusher-js)

v8.5.0

Compare Source

• [ADDED] New switchCluster method on Pusher instances to switch cluster/app without losing channel subscriptions (PR #​773)
• [FIXED] Persist previous options when switching cluster so custom handlers and other settings are retained (PR #​783)
• [FIXED] Refactored AuthOptionsT to a discriminated union (InternalAuthOptions | CustomAuthOptions) for improved type safety
• [FIXED] Integration tests now run HTTP tests before HTTPS to avoid browser Strict-Transport-Security downgrade issues

v8.4.3

Compare Source

• [FIXED] Pin additional transitive dependencies to patched versions to resolve known vulnerabilities (express, qs, body-parser, lodash, minimatch, browserstack-local)
• [FIXED] Bump integration_tests_server express dependency to resolve CVEs

v8.4.2

Compare Source

• [CHANGED] Modernise release workflow: update action versions, replace deprecated flood-io/is-published-on-npm action with inline npm registry check

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • "every weekend"
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ 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.