Enable 'pipefail' in scripts/generate_perf_results.sh #2147

Job	Run time
python-lint	5s
clang-format	8s
ubuntu-gcc-build	1m 41s
windows-clang-build	5m 5s
macos-clang-build	2m 14s
ubuntu-clang-build	1m 52s
windows-msvc-build	4m 52s
ubuntu-gcc-test	4m 21s
ubuntu-clang-sanitizer-build	2m 12s
ubuntu-clang-test	4m 45s
macos-clang-test	2m 53s
windows-clang-test	1m 30s
windows-msvc-test	2m 22s
ubuntu-gcc-test-extended	4m 32s
ubuntu-clang-sanitizer-test	3m 4s
windows-clang-test-extended	2m 20s
ubuntu-clang-test-extended	5m 4s
macos-clang-test-extended	2m 54s
windows-msvc-test-extended	2m 31s
ubuntu-clang-sanitizer-test-extended	2m 39s
ubuntu-gcc-build-codecov	5m 6s
ubuntu-gcc-build-perf-stats	1m 23s
	1h 3m 33s

Provide feedback