Bumping version to 7.74.3

Author: runway-github[bot]

app/constants/ota.ts

@@ -3,7 +3,7 @@ import otaConfig from '../../ota.config.js';
 /**
  * OTA update version for this native build.
  * Sentinel `vX.XX.X` means no OTA has shipped yet.
- * OTA hotfix: Runway uses a two-digit patch (e.g. `release/7.73.01`, `release/7.73.21`)
+ * OTA hotfix: Runway uses a two-digit patch (e.g. `release/7.73.01`, `release/7.74.3`)
  * so CI can detect OTA vs native hotfix. Two-digit patch AB → base patch A, OTA iteration B.
  * `OTA_VERSION` keeps the raw Runway id with a `v` prefix (e.g. `v7.73.01`).
  * Nightly / ad-hoc OTAs may use simple counters (`v0`, `v1`, …) per docs/nightly-ota-updates.md.