Use marked.parse()

[staabm]

Per docs in https://marked.js.org/using_advanced#inline

[staabm]

~~Looking at these errors again, I guess we need to regenerate the package.lock, as dependabot only changed the package.json~~

~~Maybe this alone will already fix the built…?~~

[staabm]

I guess this fixed is good as is, even if it does not fix the

src/generate-html.ts(1,20): error TS2307: Cannot find module 'marked'. 9 Error: Process completed with exit code 2.

error… we should fix the quoted error before merging others PRs… I have no idea how yet though

[staabm]

we should fix https://github.com/agneym/generate-og-image/issues/33 before merging others PRs

A buddy created a fix in https://github.com/agneym/generate-og-image/pull/38