Open Graph Protocal Parser

pvc-opengraph is based on opengraph-0.2.4, added some extra information: Title, Description, Favicon, and solved some problem:

<meta property="og:image:height" content="1000" />

<link rel="apple-touch-icon" sizes="57x57" href="https://domain.com/img/favicon/icon.png"/>

<title>First Title</title>
<meta property="og:title" content="High priority Title" />

Relative path is automatically converted to absolute path: if request https://domain.com/path1/path2 get the following:

<meta property="og:image" content="rock.jpg" />

The absolute path is obtained after parsing:

https://domain.com/path1/rock.jpg

reqwest updated to the latest version. The edition adopts 2021, and rustls is enabled by default, which supports better cross platform compilation.
add feature poem-openapi.
unzip decoding of non-standard servers is supported. few servers ignore the client Accept-Encoding and always return gz format data.
The code passed the cargo test and cargo clip.