chore: move scripts to scripts directory and remove unused script
Another tidy-up commit that attempts to get the master branch into a slightly cleaner shape. I've migrated all the used scripts into the scripts directory and updated their references in CI.
I've also deleted the goimports.sh script as that's no longer referenced and it's likely no longer in use.
The final thing for this commit is adding the -race flag to the test commad in .mise.toml to ensure we're race testing when running our tests.
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Edited by Elliot Forbes