build(deps): bump driver-core/src/test/resources/specifications (#1801)

Bumps [driver-core/src/test/resources/specifications](https://github.com/mongodb/specifications) from `5ef7b1b` to `eb7f9a2`.
- [Release notes](https://github.com/mongodb/specifications/releases)
- [Commits](mongodb/specifications@5ef7b1b...eb7f9a2)

---
updated-dependencies:
- dependency-name: driver-core/src/test/resources/specifications
  dependency-version: eb7f9a253c88b8255d55308b00ebb6e91f5d20c7
  dependency-type: direct:production
...

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Author: dependabot[bot]