[Sync EN] `Uri` Fix classname and extra `e.g.`, amend examples, describe normalization (#5548)

[github-actions]

Commit: https://github.com/php/doc-en/commit/9bf8b904f30d04adcccd3e202c9e870b79284789
PR: https://github.com/php/doc-en/pull/5548

Archivos ES a actualizar

• language-snippets.ent
• reference/uri/uri.whatwg.urlvalidationerrortype.xml
• reference/uri/uri/rfc3986/uri/getfragment.xml
• reference/uri/uri/rfc3986/uri/gethost.xml
• reference/uri/uri/rfc3986/uri/getpassword.xml
• reference/uri/uri/rfc3986/uri/getpath.xml
• reference/uri/uri/rfc3986/uri/getquery.xml
• reference/uri/uri/rfc3986/uri/getrawfragment.xml
• reference/uri/uri/rfc3986/uri/getrawhost.xml
• reference/uri/uri/rfc3986/uri/getrawpassword.xml
• reference/uri/uri/rfc3986/uri/getrawpath.xml
• reference/uri/uri/rfc3986/uri/getrawquery.xml
• reference/uri/uri/rfc3986/uri/getrawscheme.xml
• reference/uri/uri/rfc3986/uri/getrawuserinfo.xml
• reference/uri/uri/rfc3986/uri/getrawusername.xml
• reference/uri/uri/rfc3986/uri/getscheme.xml
• reference/uri/uri/rfc3986/uri/getuserinfo.xml
• reference/uri/uri/rfc3986/uri/getusername.xml
• reference/uri/uri/rfc3986/uri/parse.xml
• reference/uri/uri/rfc3986/uri/resolve.xml
• reference/uri/uri/rfc3986/uri/torawstring.xml
• reference/uri/uri/rfc3986/uri/tostring.xml
• reference/uri/uri/rfc3986/uri/withfragment.xml
• reference/uri/uri/whatwg/url/construct.xml
• reference/uri/uri/whatwg/url/getasciihost.xml
• reference/uri/uri/whatwg/url/parse.xml
• reference/uri/uri/whatwg/url/resolve.xml
• reference/uri/uri/whatwg/url/toasciistring.xml
• reference/uri/uri/whatwg/url/tounicodestring.xml
• reference/uri/uri/whatwg/url/unserialize.xml