Block Supports: Add height to dimensions supports

[aaronrobertshaw]

Trac ticket: https://core.trac.wordpress.org/ticket/64202

This PR brings the changes from the following Gutenberg PRs to core:

WordPress/gutenberg#71914

Description

Adds a new dimensions.height block support to facilitate the creation of new blocks such as the Icon block.

See: WordPress/gutenberg#71227

Testing

1. Adopt height block support for a dynamic block e.g. Cover via its block.json file
2. Add a height value for the chosen test block in your theme.json file
3. Create a post with the test block type
4. Confirm the global style is applied to your test block

[github-actions]

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