Detect the ISA extension when building Embree and adjust its build configuration to match #41127

Job	Run time
📊 Static checks / Code style, file formatting, and docs	35s
🤖 Android / Editor (target=editor)	9m 3s
🍏 iOS / Template (target=template_release)	2m 43s
🤖 Android / Template arm32 (target=template_release, arch=arm32)	3m 20s
🌐 Web / Template w/ threads (target=template_release, threads=yes)	6m 49s
🤖 Android / Template arm64 (target=template_release, arch=arm64)	3m 57s
🐧 Linux / Editor w/ Mono (target=editor)	5m 58s
🌐 Web / Template w/o threads (target=template_release, threads=no)	7m 52s
🏁 Windows / Editor (target=editor, tests=yes)	10m 18s
🐧 Linux / Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)	24m 24s
🏁 Windows / Editor w/ clang-cl (target=editor, tests=yes, use_llvm=yes)	5m 20s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	8m 50s
🏁 Windows / Template (target=template_release, tests=yes)	10m 23s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	8m 46s
🍎 macOS / Editor (target=editor, tests=yes)	5m 7s
🐧 Linux / Template w/ Mono (target=template_release, tests=yes)	3m 54s
🍎 macOS / Template (target=template_release, tests=yes)	3m 41s
🐧 Linux / Minimal template (target=template_release, tests=yes, everything disabled)	1m 23s
🪲 Godot CPP / Build and test Godot CPP	8m 42s
	2h 11m 5s

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