Adds container to matrix. #412

Job	Run time
B2 gcc-11	4m 32s
B2 clang-14	3m 43s
B2 msvc-14.2	4m 28s
CMake msvc-14.2 Debug C++17	4m 30s
B2 msvc-14.3	4m 27s
CMake gcc-11 17 Debug	4m 18s
CMake msvc-14.2 Release C++17	4m 22s
CMake gcc-11 20 Release	4m 30s
CMake msvc-14.3 Debug C++20	4m 23s
CMake clang-11 17 Debug	4m 20s
CMake msvc-14.3 Release C++20	4m 26s
CMake clang-11 20 Debug	4m 17s
CMake clang-13 17 Release	4m 18s
CMake clang-13 20 Release	4m 19s
CMake clang-14 17 Debug -stdlib=libc++	4m 30s
CMake clang-14 20 Release -stdlib=libc++	4m 31s
	1h 9m 54s

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