Update ramsey/composer-install action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ramsey/composer-install	action	major	v2 → 4.0.0

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Release Notes

ramsey/composer-install (ramsey/composer-install)

v4.0.0

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What's Changed

• chore: Bump actions/cache from 4.2.4 to 5.0.3 by @​dependabot[bot] in #​278

  This necessitates a new major version because actions/cache v5 runs on the Node.js 24 runtime and requires a minimum Actions Runner version of 2.327.1. This is a breaking change for anyone using self-hosted runners.

Full Changelog: ramsey/composer-install@3.2.1...4.0.0

v3.2.1

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What's Changed

• Fix missing cache key hash of composer.json (and composer.lock), as reported in #​277.

Full Changelog: ramsey/composer-install@3.2.0...3.2.1

v3.2.0

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What's Changed

• Pin cache action version by @​saibotk in #​271

New Contributors

• @​saibotk made their first contribution in #​271

Full Changelog: ramsey/composer-install@3.1.1...3.2.0

v3.1.1

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What's Changed

• Use the value of the COMPOSER environment variable if it exists; fixes #​264

Full Changelog: ramsey/composer-install@3.1.0...3.1.1

v3.1.0

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What's Changed

• ✨ Add new composer-filename option by @​badasukerubin in #​261
• Add instructions on how to use the automatic GHA token by @​Jean85 in #​263

New Contributors

• @​badasukerubin made their first contribution in #​261

Full Changelog: ramsey/composer-install@3.0.1...3.1.0

v3.0.1

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What's Changed

• fix: Improve composer.lock behavior with ignore-cache by @​flagbrad in #​260

New Contributors

• @​flagbrad made their first contribution in #​260

Full Changelog: ramsey/composer-install@3.0.0...3.0.1

v3.0.0

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Changed

• Update actions/cache to v4 to avoid deprecation notices.

  This requires a new major version because actions/cache requires Node.js 20, which could cause backwards-compatibility breaks for any projects that require earlier versions of Node.js.

  For more details, see the discussion on #​252.

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