release cleanup: bump version after 0.5.0 #82

Job	Run time
x64 (MSVC): Windows (VS 2022, shared)	5m 27s
x64 (MSVC): Windows (VS 2022, static)	4m 47s
release	2m 54s
x64 (MSVC): Windows (VS 2022, int128_struct)	5m 28s
Build Docker image	10s
x64 (MSVC): Windows (VS 2022, int128_struct with __(u)mulh)	4m 35s
x86_64: macOS Monterey (int64, yes, yes, yes, yes)	5m 29s
x86 (MSVC): Windows (VS 2022)	7m 54s
SageMath prover	1m 2s
x86_64: macOS Monterey (int128_struct, 2, 4)	6m 59s
x64 (MSVC): C++ (public headers)	16s
x86_64: macOS Monterey (int128, yes, yes, yes)	6m 38s
x86_64: macOS Monterey (int128, yes)	6m 28s
x86_64: macOS Monterey (int128, yes, yes, yes, yes)	5m 51s
x86_64: macOS Monterey (int128, yes, yes, yes, yes, gcc)	5m 11s
x86_64: macOS Monterey (int128, yes, yes, yes, yes, valgrind --error-exitcode=42, 2)	24m 48s
x86_64: macOS Monterey (int128, yes, yes, yes, yes, gcc, valgrind --error-exitcode=42, 2)	36m 41s
x86_64: macOS Monterey (int128, yes, yes, yes, yes, -DVERIFY, no)	3m 32s
x86_64: macOS Monterey (distcheck)	9m 42s
i686: Linux (Debian stable)	0s
x86_64: Linux (Debian stable)	0s
s390x (big-endian): Linux (Debian stable, QEMU)	0s
ARM32: Linux (Debian stable, QEMU)	0s
ARM64: Linux (Debian stable, QEMU)	0s
MSan	0s
ppc64le: Linux (Debian stable, QEMU)	0s
UBSan, ASan, LSan	0s
Valgrind (memcheck)	0s
C++ -fpermissive (entire project)	0s
C++ (public headers)	0s
${{ matrix.configuration.job_name }}	0s
	2h 23m 52s

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