chore(main): release 4.0.0

[replease]

🤖 I have created a release beep boop

4.0.0 (2024-07-01)

⚠ BREAKING CHANGES

• update to Katapult 2.43.1
• openapi: v3

Features

• Add disk backup policy resource (7f280a2)
• add disk templates as a resource (65c8ad7)
• add support for optional index routes in the api (1bfb875)
• allow the Guzzle handler to be defined when setting up the API (1c7bb5d)
• openapi: v3 (b9f90bf)
• update to Katapult 2.43.1 (5c2ba9b)

Bug Fixes

• actually test the managed orgs (16d4e91)
• api spec fixes for nullable and partial models (fca8f39)
• some API properties are nullable (8b16a08)

Miscellaneous Chores

• 3.x to become main/default (85ef77c)
• 3.x: release 3.0.0 (140c2ad)
• add release please and codeowners (#3) (3dff614)
• change php requirement to v7.4 (36ae563)
• change to use pest for composer test (d0fd725)
• CI: fix ref to run release-please (0aeb4e7)
• CI: specify all 3 release branches for release-please (a33d1b2)
• CI: update target branch (a450cc9)
• docs: link to branches (d2a5596)
• docs: provide usage example (d2751bd)
• docs: v3 and up is semantic versioning (25a59f2)
• main: release 3.0.1 (c06aa71)
• main: release 3.0.2 (1b85dc3)
• master: release 2.3.0 (488389f)
• release-please: add v3 to targeted branches (a3a39d9)
• release-please: update to newest GHA release-please version (72db4de)
• release-please: versioning (b861b71)
• remove build spec (de8f59f)
• tidy up test (d02553f)
• update readme (ff2c2d2)

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This PR was generated with Release Please. See documentation.

[replease]

🤖 Release is at https://github.com/krystal/katapult-php/releases/tag/v4.0.0 🌻