Bump cratedb-toolkit[datasets] in /topic/timeseries

Bumps [cratedb-toolkit[datasets]](https://github.com/crate/cratedb-toolkit) from 0.0.20 to 0.0.21.
- [Release notes](https://github.com/crate/cratedb-toolkit/releases)
- [Changelog](https://github.com/crate/cratedb-toolkit/blob/main/CHANGES.md)
- [Commits](crate/cratedb-toolkit@v0.0.20...v0.0.21)

---
updated-dependencies:
- dependency-name: cratedb-toolkit[datasets]
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

topic/timeseries/requirements.txt

@@ -1,4 +1,4 @@
-cratedb-toolkit[datasets]==0.0.20
+cratedb-toolkit[datasets]==0.0.21
 refinitiv-data<1.7
 pandas==2.0.*
 pycaret==3.3.2