Release 26.7.3

• 0844e3a - chore: bump version to 26.7.3
• 21d0fbe - feat(ci): build bindings for ARM linux (#7652)
• 563571d - refactor(hints): replace PhantomNode in SegmentHint with fixed placeholder (#7649)
• 9d24e4a - refactor(guidance): return std::optional from findObviousTurn instead of 0 sentinel (#7648)
• 6678ebc - feat(tools): add --output option to osrm-contract, osrm-customize, osrm-partition (#7646)
• 58a9cbf - refactor: replace remaining std::enable_if patterns with C++20 concepts (#7645)
• e3b8893 - feat(profiles): add support for surface=laterite in car and bicycle profiles (#7644)