Bump _data/popolo-data from dcaf740 to 52ce97a

Bumps [_data/popolo-data](https://github.com/SomethingNewUK/popolo-data) from `dcaf740` to `52ce97a`.
- [Commits](SomethingNewUK/popolo-data@dcaf740...52ce97a)

---
updated-dependencies:
- dependency-name: _data/popolo-data
  dependency-type: direct:production
...

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