Update MSRV from 1.36 to 1.47 also in clippy.toml #282

Job	Run time
check x86	26s
clippy_check	23s
Test aarch64 (neon)	1m 2s
msrv (aarch64)	1m 14s
msrv (x64)	54s
Test with Miri	1m 38s
SIMD +sse4.2 on stable	30s
SIMD +sse4.2 on stable	24s
Test stable on ubuntu-latest	1s
SIMD +avx2 on stable	23s
Test stable on windows-latest	14s
Test stable on macOS-latest	18s
SIMD +avx2 on stable	36s
SIMD +sse4.2,+avx2 on stable	32s
Test beta on ubuntu-latest	22s
SIMD +sse4.2,+avx2 on stable	31s
Test beta on windows-latest	18s
SIMD +sse4.2 on beta	30s
Test beta on macOS-latest	2s
SIMD +sse4.2 on beta	27s
Test nightly on ubuntu-latest	18s
SIMD +avx2 on beta	32s
Test nightly on windows-latest	15s
SIMD +avx2 on beta	27s
Test nightly on macOS-latest	16s
SIMD +sse4.2,+avx2 on beta	30s
SIMD +sse4.2,+avx2 on beta	30s
SIMD +sse4.2 on nightly	31s
SIMD +sse4.2 on nightly	27s
SIMD +avx2 on nightly	26s
SIMD +avx2 on nightly	30s
SIMD +sse4.2,+avx2 on nightly	26s
SIMD +sse4.2,+avx2 on nightly	25s
CI is green	0s
	16m 18s

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