[fakeit] update to 2.3.0

[Stannieman]

Describe the pull request

• What does your PR fix?

Update FakeIt to 2.3.0

• Which triplets are supported/not supported? Have you updated the CI baseline?

  all, No

• Does your PR follow the maintainer guide?

Yes

• If you have added/updated a port: Have you run ./vcpkg x-add-version --all and committed the result?

Yes

If you are still working on the PR, open it as a Draft: https://github.blog/2019-02-14-introducing-draft-pull-requests/

[microsoft-cla-retired[bot]]

All CLA requirements met.

[Cheney-W]

Please sign the CLA first.

[Cheney-W]

Please run .\vcpkg x-add-version fakeit when you submit a new commit.

[Stannieman]

CLA signed and vcpkg x-add-version done. Did not realize that this command needs to be ran after commit.

[BillyONeal]

Thanks!