⬆️ Upgrade Github Actions (major)

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2 -> v3
actions/setup-dotnet	action	major	v1 -> v3
github/codeql-action	action	major	v1 -> v2

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Release Notes

actions/checkout

### [`v3`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v310) [Compare Source](https://togithub.com/actions/checkout/compare/v2...v3) - [Use @​actions/core `saveState` and `getState`](https://togithub.com/actions/checkout/pull/939) - [Add `github-server-url` input](https://togithub.com/actions/checkout/pull/922)

actions/setup-dotnet

### [`v3`](https://togithub.com/actions/setup-dotnet/compare/v2...v3) [Compare Source](https://togithub.com/actions/setup-dotnet/compare/v2...v3) ### [`v2`](https://togithub.com/actions/setup-dotnet/compare/v1...v2) [Compare Source](https://togithub.com/actions/setup-dotnet/compare/v1...v2)

github/codeql-action

### [`v2`](https://togithub.com/github/codeql-action/compare/v1...v2) [Compare Source](https://togithub.com/github/codeql-action/compare/v1...v2)

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