The v8::External API now requires an EmbedderPointerTypeTag parameter
for both New() and Value() methods to improve V8 sandbox type safety.
Updated calls in:
- callback.cc: TranslatorHolder constructor and CallTranslator
- osr_converter.cc: OffscreenSharedTextureValue converter
Ref: https://chromium-review.googlesource.com/c/v8/v8/+/7000847