fix(types): add array of Buffers to WhereValue type

[fubar]

Pull Request check-list

Please make sure to review and check all of these items:

• Does npm run test or npm run test-DIALECT pass with this change (including linting)?
• Does the description below contain a link to an existing issue (Closes #[issue]) or a description of the issue you are solving?
• Have you added new tests to prevent regressions?
• Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?
• Did you update the typescript typings accordingly (if applicable)?
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Description of change

where clauses that contain arrays of Buffers (querying binary fields) fail Typescript validation due to a missing type declaration. Example:

Foo.findOne({
  where: { bar: [Buffer.alloc(0)] },
});

Buffer support was just added in #11499. This PR adds support for arrays of Buffers to the WhereValue type definition.

I ran npm run test-typings

[codecov]

Codecov Report

Merging #11559 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #11559   +/-   ##
=======================================
  Coverage   96.27%   96.27%           
=======================================
  Files          94       94           
  Lines        9184     9184           
=======================================
  Hits         8842     8842           
  Misses        342      342

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[papb]

LGTM

[sushantdhiman]

🎉 This PR is included in version 5.19.8 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀

[fubar]

Thanks @papb