message: Add entry in the changelog for min maxWorkers value fix
diff: - `[jest-config]` Fix `getMaxWorkers` on termux ([#7154](https://github.com/facebook/jest/pull/7154))
  - `[jest-runtime]` Throw an explicit error if `js` is missing from `moduleFileExtensions` ([#7160](https://github.com/facebook/jest/pull/7160))
  - `[jest-runtime]` Fix missing coverage when using negative glob pattern in `testMatch` ([#7170](https://github.com/facebook/jest/pull/7170))
  +- `[*]` Ensure `maxWorkers` is at least 1 (was 0 in some cases where there was only 1 CPU) ([#7182](https://github.com/facebook/jest/pull/7182))
  ### Chore & Maintenance
  