feat(): React 19/ RN 0.78 upgrade (#2993)

BREAKING CHANGE:
* React 19 and React Native 0.78 minimum are required
* SDK 26 minimum is required on Android
* The `debug` and `mode` properties are now deprecated 
* `SKSGRoot` api is now async, as a result functions such as `drawAsImage` are now async as well.

fix(🌎): fix cloneInstance bug on RN Web (#2998)

fix(🏎️): minor improvement to the first time to frame in reconciler (#…

…2991)

Revert "Upgrade to React 19 (#2984)" (#2985)

This reverts commit b71a73d.

Update next branch (#2988)

fix(🌍): minor issue on RN Web (#2963)

fix(🌎): Fix Web support bug (#2958)

fix(🌍): Fix RN Web support (#2954)

chore(🎮): add headless app example (#2945)

fix(🔗): remove deadlink in the documentation (#2939)