v3.1.0

What's Changed

• Version bump to v3.0.1 by @github-actions[bot] in #1070
• Update CODEOWNERS, adding Valentin by @umbertoDifa in #1075
• [DAR-6861] Update E2E workflow schedule by @umbertoDifa in #1074
• [DAR-6756][Internal] Add e2e tests for mask instances on single and multi slot items by @vvihorev in #1076
• [DAR-7134][External] Add multi-segment nifti export support by @Jo-Byr in #1086

Full Changelog: v3.0.1...v3.1.0