Add support for redirects on 410 responses

[wezz]

In Optimizely, expired pages respond with a 410 http response which is ignored by the NotFound Handler.

This PR adds a option to enable the redirect manager to work on 410 responses.

[wezz]

@jevgenijsp @kaspars-ozols @marisks
Could any of you have a look at this PR?

[wezz]

@ErvinsA I've made adjustments to this PR in regards to your feedback.
Can you you please have a look again?

[wezz]

Pipeline was broken due to .net 6 no longer being supported. I updated the csproj files to use .net 8 instead

[wezz]

@ErvinsA Looks like the "build" works after updating to .net 8 but there seems to be a issue with SonarCube

[ErvinsA]

I think this is good to go to release!

[wezz]

@ErvinsA Looks like there is still a issue in the pipeline related to SonarQube,
"The format of the analysis property sonar.login= is invalid" according to Githubs assistant.

[ErvinsA]

There is problems with SonarQube and pullrequests so that can be ignored.

[wezz]

@ErvinsA Great!
Unfortunately I don't have write access so I can't complete and merge this PR myself