Update dependency pynetbox to v7.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pynetbox	==7.3.4 -> ==7.4.0

---

Release Notes

netbox-community/pynetbox (pynetbox)

### [`v7.4.0`](https://redirect.github.com/netbox-community/pynetbox/releases/tag/v7.4.0) [Compare Source](https://redirect.github.com/netbox-community/pynetbox/compare/v7.3.4...v7.4.0) #### What's Changed - Fix: pynetbox greater than 7.0.0 fails to insert complex custom_fields. Fixes [#​597](https://redirect.github.com/netbox-community/pynetbox/issues/597) by [@​costasd](https://redirect.github.com/costasd) in [https://github.com/netbox-community/pynetbox/pull/598](https://redirect.github.com/netbox-community/pynetbox/pull/598) - Fix: replace None with 'null' in query parameters. by [@​doc-sheet](https://redirect.github.com/doc-sheet) in [https://github.com/netbox-community/pynetbox/pull/545](https://redirect.github.com/netbox-community/pynetbox/pull/545) - Fix: Fixes for connected endpoints. by [@​abhi1693](https://redirect.github.com/abhi1693) in [https://github.com/netbox-community/pynetbox/pull/578](https://redirect.github.com/netbox-community/pynetbox/pull/578) - Added first support for NetBox 4.0 - Removed python 3.8, 3.9 from testing matrix, added python 3.12 - Removed NetBox 3.4, 3.5 from testing matrix, added NetBox 4.0 - Added readme compatibility matrix. **Full Changelog**: https://github.com/netbox-community/pynetbox/compare/v7.3.4...v7.4.0

---

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 becomes conflicted, 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.