Update plugin stackable-ultimate-gutenberg-blocks from 2.13.2 to 2.13.4#28

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wpgitupdates-plugin-stackable-ultimate-gutenberg-blocks-2.13.2-2.13.4wpgitupdater/example:wpgitupdates-plugin-stackable-ultimate-gutenberg-blocks-2.13.2-2.13.4Copy head branch name to clipboard