Bump tests/specifications from ace53b1 to 2a83694 (#1788)

Bumps [tests/specifications](https://github.com/mongodb/specifications) from `ace53b1` to `2a83694`.
- [Release notes](https://github.com/mongodb/specifications/releases)
- [Commits](mongodb/specifications@ace53b1...2a83694)

---
updated-dependencies:
- dependency-name: tests/specifications
  dependency-version: 2a836942e9d474e0441e97abbfe79890a09a0822
  dependency-type: direct:production
...

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