Add an option to customize build dir in run_tests.py script (#719) #4464

Job	Run time
pre-commit / check-file-sizes	4s
pre-commit / pre-commit	1m 42s
windows / clang-build	1m 55s
ubuntu / clang-build (ubuntu-24.04)	2m 34s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 12s
mac / clang-build (Release)	2m 10s
windows / msvc-build (Release)	2m 16s
mac / clang-build (Debug)	1m 54s
windows / msvc-build (Debug)	3m 0s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 25s
windows / clang-test	3m 8s
mac / clang-test	4m 18s
windows / msvc-test	5m 0s
mac / clang-test-extended	2m 42s
windows / clang-test-extended	2m 40s
windows / msvc-test-extended	2m 44s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 41s
ubuntu / clang-test (ubuntu-24.04)	8m 20s
ubuntu / gcc-test (ubuntu-24.04)	8m 23s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 49s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 30s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 31s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 26s
ubuntu / gcc-build-codecov	7m 37s
perf / ubuntu-gcc-build-perf-stats	1m 27s
perf / macos-clang-build-perf-stats	1m 47s
pages / build-scoreboard	19s
pages / build-doxygen-xml	19s
pages / build-sphinx	39s
pages / deploy-pages	13s
	1h 27m 45s

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