Move from Pybind11 to nanobind #1076

Job	Run time
[conda:ubuntu-latest:Release:c++17]	19m 15s
[conda:ubuntu-latest:Release:c++20]	18m 58s
[conda:macos-latest:Release:c++17]	7m 54s
[conda:macos-latest:Release:c++20]	8m 55s
[conda:windows-2019:Release:c++17]	7m 46s
[conda:windows-2019:Release:c++20]	7m 43s
[conda:windows-latest:Release:c++17]	7m 22s
[conda:windows-latest:Release:c++20]	9m 10s
[conda:macos-14:Release:c++17]	3m 50s
[conda:macos-14:Release:c++20]	3m 6s
[conda:ubuntu-latest:Debug:c++17]	28m 15s
[conda:ubuntu-latest:Debug:c++20]	28m 22s
[conda:windows-2019:Debug:c++17]	9m 51s
[conda:windows-2019:Debug:c++20]	10m 2s
[conda:windows-latest:Debug:c++17]	7m 37s
[conda:windows-latest:Debug:c++20]	8m 44s
[conda:macos-14:Debug:c++17]	3m 6s
[conda:macos-14:Debug:c++20]	3m 21s
[conda:macos-latest:Release:c++14]	7m 34s
[conda:macos-latest:Debug:c++17]	27m 29s
[conda:macos-latest:Debug:c++20]	8m 37s
check-ci-linux-osx-win-conda	4s
	3h 57m 1s

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