Bump tests/drivers-evergreen-tools from 61eacf1 to 8c66939

Bumps [tests/drivers-evergreen-tools](https://github.com/mongodb-labs/drivers-evergreen-tools) from `61eacf1` to `8c66939`.
- [Commits](mongodb-labs/drivers-evergreen-tools@61eacf1...8c66939)

---
updated-dependencies:
- dependency-name: tests/drivers-evergreen-tools
  dependency-version: 8c66939e0f2ad8ec03522cd7e8631f5a55e2c9f2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]