Patch 7.38 (International 2024 + Ringmaster patch)

[timkurvers]

Support newly released patch: https://www.dota2.com/newsentry/6759426325006881791

• [x] Update to latest dotaconstants
• [x] Add images for Ringmaster
• [x] Missing heroes should not crash the Find Match-modal

Optional:

• [x] Protocol buffers + parser adjustments

[timkurvers]

Addressed in v1.10.0, live now.