Update Rust crate rand to v0.8.5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
rand (source)	dependencies	patch	0.8.1 -> 0.8.5

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Release Notes

rust-random/rand (rand)

v0.8.5

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Fixes

• Fix build on non-32/64-bit architectures (#​1144)
• Fix "min_const_gen" feature for no_std (#​1173)
• Check libc::pthread_atfork return value with panic on error (#​1178)
• More robust reseeding in case ReseedingRng is used from a fork handler (#​1178)
• Fix nightly: remove unused slice_partition_at_index feature (#​1215)
• Fix nightly + simd_support: update packed_simd (#​1216)

Rngs

• StdRng: Switch from HC128 to ChaCha12 on emscripten (#​1142).
  We now use ChaCha12 on all platforms.

Documentation

• Added docs about rand's use of const generics (#​1150)
• Better random chars example (#​1157)

v0.8.4

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Additions

• Use const-generics to support arrays of all sizes (#​1104)
• Implement Clone and Copy for Alphanumeric (#​1126)
• Add Distribution::map to derive a distribution using a closure (#​1129)
• Add Slice distribution (#​1107)
• Add DistString trait with impls for Standard and Alphanumeric (#​1133)

Other

• Reorder asserts in Uniform float distributions for easier debugging of non-finite arguments
  (#​1094, #​1108)
• Add range overflow check in Uniform float distributions (#​1108)
• Deprecate rngs::adapter::ReadRng (#​1130)

v0.8.3

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Fixes

• Fix no-std + alloc build by gating choose_multiple_weighted on std (#​1088)

v0.8.2

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Fixes

• Fix panic in UniformInt::sample_single_inclusive and Rng::gen_range when
  providing a full integer range (eg 0..=MAX) (#​1087)

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