CodeMirror updated to 5.18.0

[okonomiyaki3000]

Pull Request for Issue # .

Summary of Changes

http://codemirror.net/doc/releases.html

Testing Instructions

Just use CodeMirror and expect it to work as usual or better.

Documentation Changes Required

Nope.

[brianteeman]

Thanks for doing this again

One step that we just realised you havent been doing is what to do when files are deleted. If a file is removed then it should be added to https://github.com/joomla/joomla-cms/blob/staging/administrator/components/com_admin/script.php

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[okonomiyaki3000]

Ah, I suppose that would be the Jade mode.

[brianteeman]

Thank you

[brianteeman]

I have tested this item ✅ successfully on 360f4ee

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[jeckodevelopment]

I have tested this item ✅ successfully on 360f4ee

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[zero-24]

RTC

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