Clone of https://github.com/elementor/elementor-pro/pull/5638

Validates one-click-release dry-run runs properly

✨ PR Description

Purpose: Update release workflow to support proper dry-run functionality for testing releases without actual publishing.
Main changes:

• Replace pre_release flag with dry_run parameter defaulting to true for safer testing
• Add validation step for build files before attempting release
• Conditionally skip WordPress.org SVN publishing and Slack notifications during dry runs
• Update dev release process to respect dry-run flag

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