Generics in ticket names are escaped in an ugly way by the script

[teor2345]

Currently, when a ticket name contains a generic, it gets escaped with backslashes. Some escaping is required to avoid it being recognised as a valid or invalid HTML tag.

For example:

• PartialEq\<u32\>
• Fix typo and script escaping in 2026-01-21 #7574

This looks ugly on the website, because the backslashes are rendered in the link name.

There are two alternatives:

• escape the < and > using URL encoding - this is the correct method for links, and probably works for names as well
• escape the entire type name with backticks - this is the best way to render, but it's tricky to program, because ideally you want:

`PartialEq<u32>` not PartialEq`<u32>`
`PartialEq<Option<u32>>` not PartialEq`<Option`<u32>`>`

This issue is similar to parentheses: #6403