Compile gtsam python for windows #2701

Job	Run time
ubuntu-clang-deprecated Debug	21m 1s
ubuntu-clang-deprecated Release	22m 25s
ubuntu-clang-quaternions Debug	21m 54s
ubuntu-clang-quaternions Release	22m 4s
ubuntu-clang-tbb Debug	23m 30s
ubuntu-clang-tbb Release	23m 50s
ubuntu-clang-cayleymap Debug	21m 22s
ubuntu-clang-cayleymap Release	22m 8s
ubuntu-clang-system-libs Debug	21m 28s
ubuntu-clang-system-libs Release	22m 46s
ubuntu-no-boost Debug	21m 12s
ubuntu-no-boost Release	22m 8s
ubuntu-no-unstable Debug	17m 42s
ubuntu-no-unstable Release	18m 19s
	5h 1m 49s

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