Patch notes 1.7.5 (from #3026)

This is a micro patch release which adds a new Moreau Interface.

| Link | Type | 1.7.x | Comment | |------|------|-------|---------| | #3020 | Canonicalization | ✅ | | | #3021 | Documentation | ✅ | | | #3024 | Solver Interface | ✅ | |