Add support for filters and shadow in media & text block

[AKSHAT2802]

What?

#64750

Why?

Enhance the Media & Text Block feature by adding support for shadow and filters.

How?

Added support for the above-mentioned by allowing the support through the block.json file of the block.

[github-actions]

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[github-actions]

Warning: Type of PR label mismatch

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• Type-related labels to choose from: [Type] Automated Testing, [Type] Breaking Change, [Type] Bug, [Type] Build Tooling, [Type] Code Quality, [Type] Copy, [Type] Developer Documentation, [Type] Enhancement, [Type] Experimental, [Type] Feature, [Type] New API, [Type] Task, [Type] Technical Prototype, [Type] Performance, [Type] Project Management, [Type] Regression, [Type] Security, [Type] WP Core Ticket, Backport from WordPress Core, Gutenberg Plugin.
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[github-actions]

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Co-authored-by: AKSHAT2802 <akshat2802@git.wordpress.org>

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