Doku change for GMT to UTC change

[laoneo]

User description

See joomla/joomla-cms#43912

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PR Type

documentation

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Description

• Added documentation to reflect the change from GMT to UTC in the codebase.
• Included a reference to the relevant PR for more details.
• Provided guidance on ensuring code compatibility with the new UTC standard.

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Changes walkthrough 📝

	Relevant files
Documentation	removed-backward-incompatibility.md Documented the change from GMT to UTC in the codebase        migrations/54-60/removed-backward-incompatibility.md Added a new section about the change from GMT to UTC. Included a reference to the relevant PR. Provided a description of the change and its implications. +5/-0

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[codiumai-pr-agent-pro]

PR Reviewer Guide 🔍

⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ No key issues to review

[codiumai-pr-agent-pro]

PR Code Suggestions ✨

Category	Suggestion	Score
Enhancement	Improve the clarity and guidance of the description regarding the GMT to UTC change The description should clarify the potential impact of the change from GMT to UTC on existing code that might be using GMT. Specifically, it should guide developers on how to verify and update their code to accommodate this change. migrations/54-60/removed-backward-incompatibility.md [29] -- Description: To unify the code base, all instances do use or fallback to UTC timezone. Make sure that your code doesn't do an check against GMT string. +- Description: To unify the code base, all instances now use or fallback to the UTC timezone instead of GMT. This change might affect any logic in your code that checks against 'GMT'. It is recommended to review and update such instances to ensure compatibility. Apply this suggestion Suggestion importance[1-10]: 8 Why: The suggestion enhances the clarity of the description by explaining the potential impact of the change from GMT to UTC on existing code and guiding developers on how to verify and update their code. This is a valuable improvement for developers who need to adapt to the change.	8