feat: Add Pimcore 12 and PHP 8.4 support

[webdev-dp]

• Update pimcore/pimcore to ^11.0 || ^12.0
• Add PHP requirement ^8.2 || ^8.3 || ^8.4

Q	A
Bug fix?	yes/no
New feature?	yes/no
BC breaks?	no
Deprecations?	yes/no
Fixed tickets	#...

[github-actions]

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[webdev-dp]

I have read the CLA Document and I hereby sign the CLA