knownvalue: Add TupleExact, TuplePartial and TupleSizeExact checks for dynamic value testing

[austinvalle]

Closes #312

Exact copies of the List* equivalents.

Notes

I explicitly didn't add documentation, since these are only really useful for dynamic value testing, but I can add them if we think it's necessary 👍🏻

[bflad]

Looks good to me 🚀

I think it might be worth the additional tuple documentation page, even if it is copy-paste-modify of the list page for now (maybe with a small callout that tuples are relatively uncommon except for testing dynamic types).

[austinvalle]

I think it might be worth the additional tuple documentation page, even if it is copy-paste-modify of the list page for now (maybe with a small callout that tuples are relatively uncommon except for testing dynamic types).

Added in 29d51b5 ⚡ - I adjusted the wording as well as added a little blurb mentioning they are only encountered when testing dynamic data 🚀

[github-actions]

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