[DOC] .Net link to list of hooks instead links to the reference page.

[kinyoklion]

Change in the documentation

The link here: https://github.com/open-feature/openfeature.dev/blob/078f35c2b9e76437a3889dbfaf142fd70063f642/docs/reference/technologies/server/dotnet.mdx#L134

I think it is probably intended to link to a github search of some kind.