Patch notes 1.7.3

This is a micro patch release which fixes many bugs and updates to the documentation.

| Link | Type | 1.7.x | Comment | |------|------|-------|---------| | #2901 | Version bump | ✅ | | | #2913 | Bug Fix | ✅ | | | #2914 | Docs | ✅ | | | #2919 | Solver Interface | ✅ | | | #2918 | Solver Interface | ✅ | | | #2924 | Bug Fix | ✅ | | | #2929 | Docs | ✅ | | | #2933 | Bug Fix | ✅ | | | #2938 | Docs | ✅ | |

Special shoutout to new contributors: @thisisRMak and @ClayCampaigne !