build on C++17 and C++20 on CI #3178

Job	Run time
build (asio-debugging=on picker-debugging=on)	28m 23s
build (asio-debugging=on picker-debugging=on)	28m 23s
build (extensions=off logging=off streaming=off super-seeding=off share-mode=off predictive-piece...	21m 34s
build (extensions=off logging=off streaming=off super-seeding=off share-mode=off predictive-piece...	21m 34s
build (crypto=gcrypt)	24m 28s
build (crypto=gcrypt)	24m 28s
clang-tidy	10m 25s
clang-tidy	10m 25s
check headers	3m 58s
check headers	3m 58s
build (mmap-disk-io=off)	26m 56s
build (mmap-disk-io=off)	26m 56s
build dist (ubuntu-20.04)	17m 37s
build dist (ubuntu-20.04)	17m 37s
Fuzzers	8m 10s
Fuzzers	8m 10s
pre-commit	40s
pre-commit	40s
build dist (ubuntu-22.04)	15m 34s
build dist (ubuntu-22.04)	15m 34s
Simulations	18m 52s
Simulations	18m 52s
Tests (address-sanitizer=norecover undefined-sanitizer=norecover crypto=openssl)	15m 44s
Tests (address-sanitizer=norecover undefined-sanitizer=norecover crypto=openssl)	15m 44s
Tests (toolset=clang logging=off address-sanitizer=norecover undefined-sanitizer=norecover)	8m 56s
Tests (toolset=clang logging=off address-sanitizer=norecover undefined-sanitizer=norecover)	11m 26s
Tests (thread-sanitizer=norecover crypto=openssl release debug-symbols=on cxxflags=-Wno-tsan)	19m 8s
Tests (thread-sanitizer=norecover crypto=openssl release debug-symbols=on cxxflags=-Wno-tsan)	19m 8s
Tests (crypto=gnutls)	11m 59s
Tests (crypto=gnutls)	11m 59s
Tests (deprecated-functions=off)	10m 52s
Tests (deprecated-functions=off)	10m 52s
	8h 9m 2s

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