Bump extern/dd_package from 8676c7a to 535962b

Bumps [extern/dd_package](https://github.com/cda-tum/dd_package) from `8676c7a` to `535962b`.
- [Release notes](https://github.com/cda-tum/dd_package/releases)
- [Commits](cda-tum/dd_package@8676c7a...535962b)

---
updated-dependencies:
- dependency-name: extern/dd_package
  dependency-type: direct:production
...

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

Author: dependabot[bot]