WIP: fVDB CI Integration #2351

Job	Run time
linux-nanovdb:cxx:g++-Release	1m 38s
windows-nanovdb (x64-windows-static, Release, -A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_...	6m 24s
linux-nanovdb:cxx:g++-Debug	1m 39s
windows-nanovdb (x64-windows-static, Debug, -A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_SH...	8m 49s
nanovdb-lite	2m 47s
linux-nanovdb:cxx:clang++-Release	1m 35s
macos-nanovdb (macos-11, clang++, Release)	1s
windows-nanovdb (x64-windows, Release, -A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=...	23m 26s
linux-nanovdb:cxx:clang++-Debug	1m 26s
macos-nanovdb (macos-11, clang++, Debug)	1s
windows-nanovdb (x64-windows, Debug, -A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=OFF)	12m 57s
	1h 0m 43s

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