chore(deps): update linchpin/actions action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
linchpin/actions	action	major	v3 → v4

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Release Notes

linchpin/actions (linchpin/actions)

v4.3.1

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Performance Improvements

• ship one release zip end-to-end (single-file artifact, no re-zip on deploy) (#​133) (57df810)
• speed up release build (artifact compression, drop node_modules rm, fast rollback zip) (#​131) (77c79dd)

v4.3.0

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Features

• deploy builds+archives the release; drop draft + create-release.yml (#​129) (b48df6a)

v4.2.2

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Bug Fixes

• publish release with GH_BOT_TOKEN so release:published triggers deploys (#​127) (0758783)

v4.2.1

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Bug Fixes

• validate composer lock with install, not validate (version-field churn) (#​125) (9e96999)

v4.2.0

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Features

• publish release after asset attach (draft-safe) and trim deploy wait (#​123) (f57f453)

v4.1.0

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Features

• add composer validate gate to catch lock drift early (#​121) (b40b626)

v4.0.2

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Bug Fixes

• wait for release.zip asset before deploying (asset/deploy race) (4f116cd)

v4.0.1

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Bug Fixes

• drop environment binding from the build job (63fd313)
• use exact-match git/ref endpoint for the floating major tag check (0b52a61)

v4.0.0

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⚠ BREAKING CHANGES

• v4: single-job build, asset-based deploy, consolidated lint
• v4: add composite actions for setup, build, deploy, and readme

Features

• v4: add composite actions for setup, build, deploy, and readme (73bacb4)
• v4: restore backup/continue flow and WP Engine + Cloudways hosts (b05c15d)
• v4: single-job build, asset-based deploy, consolidated lint (97aec37)
• v4: wire real releases — release-please + floating major tags (79d7348)

v4

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⚠ BREAKING CHANGES

• v4: single-job build, asset-based deploy, consolidated lint
• v4: add composite actions for setup, build, deploy, and readme

Features

• v4: add composite actions for setup, build, deploy, and readme (73bacb4)
• v4: restore backup/continue flow and WP Engine + Cloudways hosts (b05c15d)
• v4: single-job build, asset-based deploy, consolidated lint (97aec37)
• v4: wire real releases — release-please + floating major tags (79d7348)

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