Blog requires `seo_meta` table from `v17development-seo` to function, but doesn't have it as dependency

[SKevo18]

SQLSTATE[42S02]: Base table or view not found: 1146 Table 'flarum_xxx.seo_meta' doesn't exist (SQL: select * from `seo_meta` where (`object_type` = blogs and `object_id` = 1) limit 1)

flarum-blog/src/SeoPage/SeoBlogArticleMeta.php

Lines 96 to 99 in b61b586

	$seoMeta = SeoMeta::findByObjectTypeOrCreate(
	'blogs',
	$discussion->blogMeta->id
	);

The v17development-blog extension requires v17development-seo, but it doesn't have the latter as hard dependency. As a result of this, submitting a blog post fails if SEO wasn't ever enabled before (in other words, if the table does not yet exist because the migrations from SEO weren't ran).

What I expect happens is that the blog extension correctly determines if SEO is enabled and disabled SEO features if it isn't (or, that it has the SEO extension as a dependency, in other words, enabling the blog extension in the admin panel requires the SEO extension to be enabled first).