Release 2.3.0

What's Changed

• Maintenance by @zhyian in #171
• [FAU-461] Notify administrators of degree program changes by @zhyian in #170
• [FAU-462] Remove required flag from fields by @zhyian in #172
• [FAU-464] Rename special features field label, update help text by @zhyian in #173
• [FAU-463] Remove teaser image input field from editor by @zhyian in #176
• [FAU-466] Adjust field label font size and weight by @zhyian in #177
• [FAU-467] Add news field with optional expiry date to degree program editor by @zhyian in #175
• [FAU-469] Defer translations to init hook by @zhyian in #178
• [FAU-468] Add three optional FAUdir Organisations-Id fields by @zhyian in #179

Full Changelog: 2.2.4...2.3.0