chore(gatsby): Migrate query/redirects-writer to Typescript

[PerfectPan]

Description

Migrates redirects-writer(gatsby/src/query/redirects-writer.js) to Typescript

Related Issues

Related to #21995

[pieh]

Hey @PerfectPan!

First of all thanks for submitting PR. I will fix-up type problem (cause by some type that showed up after we add types in other parts of the code) and will merge your PR as you did work we asked for in Typescript umbrella issue. Unfortunately I will have to later on delete the entire file because we are actually not using it anywhere because in the past we moved it to https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby/src/bootstrap/redirects-writer.ts and there must have been some git issue related to move that we didn't caught and ended up with 2 copies of same file. We do appreciate effort you put into this change and as I mentioned we will merge the PR - I'm just letting you know that unfortunately it proved unneeded :( That's on us - very sorry about this

[pieh]

Thank you @PerfectPan!

[gatsbot]

Holy buckets, @PerfectPan — we just merged your PR to Gatsby! 💪💜

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Thanks again!

[PerfectPan]

That's OK! I will try to work on other files. Thanks a lot! @pieh