Feature / use span instead of reference wrapper for cache sequence #5783

Job	Run time
Build and test in Conda (ubuntu)	2m 43s
build-cpp-test-linux (debug, gcc)	18m 38s
Build and test in Conda (windows)	5m 55s
Build sdist and set version	47s
build-cpp-test-linux (debug, clang)	11m 30s
build-cpp-test-macos (debug)	7m 19s
build-cpp-test-linux (release, gcc)	34m 33s
build-cpp-test-macos (release)	10m 28s
build-cpp-test-linux (release, clang)	17m 49s
build-cpp-test-windows (debug, msvc)	12m 24s
build-cpp-test-windows (debug, clang-cl)	15m 7s
build-cpp-test-windows (release, msvc)	17m 17s
build-cpp-test-windows (release, clang-cl)	18m 58s
build-and-test-python (linux-x64)	10m 30s
build-and-test-python (linux-aarch64)	39m 9s
build-and-test-python (macos)	6m 58s
build-and-test-python (windows)	14m 57s
publish-wheels	11s
	4h 5m 13s

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