Bump duckdb-engine from 0.11.2 to 0.11.5 in /spark (#147)

Bumps [duckdb-engine](https://github.com/Mause/duckdb_engine) from 0.11.2 to 0.11.5.
- [Release notes](https://github.com/Mause/duckdb_engine/releases)
- [Changelog](https://github.com/Mause/duckdb_engine/blob/main/CHANGELOG.md)
- [Commits](Mause/duckdb_engine@v0.11.2...v0.11.5)

---
updated-dependencies:
- dependency-name: duckdb-engine
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

spark/requirements.txt

@@ -4,4 +4,4 @@ pyiceberg[pyarrow,duckdb,pandas]==0.6.0
 jupysql==0.10.5
 matplotlib==3.8.3
 scipy==1.13.0
-duckdb-engine==0.11.2
+duckdb-engine==0.11.5