Fix tag release action, add unit tests for PRs and CodeQL

[JoshHiles]

• This should help build the release by switching to windows-latest which has the .NET frameworks preinstalled.

• I've added unit test runs for PRs onto the main branch. This should run in parallel and test against the different frameworks.
  | The tests run on parallel with a windows & linux vm, would it be simpler to run on a PR just the linux then before a release do a whole multi framework test?

• CodeQL also runs on PR to main branch & on any commit to main branch.
  | Not convinced running this EVERY PR & then again when its merged in but open to comments

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[JoshHiles]

@dahlbyk Not sure if you could have a once over?

[dahlbyk]

LGTM

As I've mentioned, feel free to give me Write permissions so my review counts. 😁

[dahlbyk]

• The tests run on parallel with a windows & linux vm, would it be simpler to run on a PR just the linux then before a release do a whole multi framework test?

I don't think we're in a particular hurry. I'm a fan of feedback before PRs land in main, all things being equal.

• CodeQL also runs on PR to main branch & on any commit to main branch.
  | Not convinced running this EVERY PR & then again when its merged in but open to comments

Same.