v0.26.0

What's Changed

• MIABIS diagnosis on Observation by @a-tuerk in #373
• renamed Custodian stratifier in specimen group by @enola-dkfz in #391
• feat(dktk): add wes+rnaseq and wgs+rnaseq analysis method combinations by @timakro in #390
• Bump version to v0.26.0 and update changelog by @timakro in #392
• Release v0.26.0 by @timakro in #393

Full Changelog: v0.25.1...v0.26.0