[roottest] use cmake for root/treeproxy tests #23626

Job	Run time
mac14 X64 CMAKE_CXX_STANDARD=20	54m 40s
Windows 10 x64 Release	1h 13m 20s
Windows 10 x86 Release	1h 9m 16s
mac15 ARM64 CMAKE_CXX_STANDARD=23	24m 9s
Upload Event Payload	4s
mac-beta ARM64 CMAKE_CXX_STANDARD=23	41m 26s
mac13 ARM64 builtin_zlib=ON	22m 32s
fedora43 CMAKE_CXX_STANDARD=23	28m 15s
ubuntu2504 CMAKE_CXX_STANDARD=23	38m 31s
alma9 modules_off runtime_cxxmodules=Off	39m 36s
debian125 CMAKE_CXX_STANDARD=20, dev=ON, CMAKE_CXX_FLAGS=-Wsuggest-override	48m 29s
ubuntu22 imt=Off, CMAKE_BUILD_TYPE=Debug	1h 29m 22s
alma9 march_native CMAKE_BUILD_TYPE=RelWithDebInfo, CMAKE_CXX_FLAGS=-march=native, CMAKE_C_FLAGS=-march=native, builtin_zlib=ON, builtin_zstd=ON	44m 48s
ubuntu2510 CMAKE_CXX_STANDARD=23	53m 12s
alma8	53m 2s
alma10	55m 32s
alma10 clang Ninja CMAKE_C_COMPILER=clang, CMAKE_CXX_COMPILER=clang++	46m 31s
alma9 CMAKE_BUILD_TYPE=Debug	1h 30m 7s
ubuntu2404 CMAKE_BUILD_TYPE=Debug	2h 6m 56s
fedora42 CMAKE_CXX_STANDARD=23	46m 57s
rawhide Fedora pydebug CMAKE_CXX_STANDARD=23	47m 26s
alma9 arm64 CMAKE_BUILD_TYPE=RelWithDebInfo, builtin_zlib=ON, builtin_zstd=ON	56m 14s
	19h 10m 25s

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