Migrate conanfile to conan2 (#364) #205

Job	Run time
formatting	6m 9s
lint	27m 21s
test (noetic)	18m 21s
test (galactic)	14m 4s
test (humble)	8m 33s
full_conan_installation (3.8)	14m 31s
full_conan_installation (3.9)	13m 39s
full_conan_installation (3.10)	13m 24s
full_conan_installation (3.11)	13m 37s
full_conan_installation (3.12, manylinux_2_31_x86_64, conanio/gcc10:latest)	13m 33s
	2h 23m 12s

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