docs(CONTRIBUTING): add instructions how to update the test snapshots (#2412)

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Florian Best 2023-02-01 13:44:20 +01:00 committed by GitHub
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@ -50,6 +50,13 @@ cargo test --all # Testing...
These checks will run on GitHub Actions when you open your Pull Request, but running them locally
will save you time and expedite the merge process.
Note that many code changes also require updating the snapshot tests, which is done interactively
after running `cargo test` like so:
```shell
cargo insta review
```
If you have `pre-commit` [installed](https://pre-commit.com/#installation) then you can use it to
assist with formatting and linting. The following command will run the `pre-commit` hooks: