feat(bigtable): add suport for OTEL in [Async]PrepareQuery #8521

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Save PR ref	3s
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macOS-CMake	-1s
Windows-CMake / cmake + msvc-2022 + x64 + Release + Core3	2m 22s
Windows-CMake / cmake + msvc-2022 + x64 + Release + Core4	2m 22s
Windows-Bazel	-1s
Notify-Google-Chat	2s
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