fix: use --no-check-publish flag for composer validation

[devin-ai-integration]

Fix PHP SDK Publishing Workflow Validation

Problem

The PHP SDK publishing workflow is failing at the "Validate composer.json" step because the strict validation doesn't allow the version field in packages published on Packagist.

Solution

Modified the composer validation step to use the --no-check-publish flag instead of --strict, which allows the version field to be present while still validating the overall structure of the composer.json file.

This fix ensures that the PHP SDK publishing workflow can continue to run successfully while maintaining the version field needed for automatic version bumping.

Link to Devin run: https://app.devin.ai/sessions/6407d462e80c47b4b98a7af1e3565247
User: Max Prilutskiy (max@lingo.dev)

[devin-ai-integration]

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