Update rand requirement from 0.7.3 to 0.8.3

[dependabot]

Updates the requirements on rand to permit the latest version.

Changelog

Sourced from rand's changelog.

[0.8.3] - 2021-01-25

Fixes

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

[0.8.2] - 2021-01-12

Fixes

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

[0.8.1] - 2020-12-31

Other

• Enable all stable features in the playground (#1081)

[0.8.0] - 2020-12-18

Platform support

• The minimum supported Rust version is now 1.36 (#1011)
• getrandom updated to v0.2 (#1041)
• Remove wasm-bindgen and stdweb feature flags. For details of WASM support, see the getrandom documentation. (#948)
• ReadRng::next_u32 and next_u64 now use little-Endian conversion instead of native-Endian, affecting results on Big-Endian platforms (#1061)
• The nightly feature no longer implies the simd_support feature (#1048)
• Fix simd_support feature to work on current nightlies (#1056)

Rngs

• ThreadRng is no longer Copy to enable safe usage within thread-local destructors (#1035)
• gen_range(a, b) was replaced with gen_range(a..b). gen_range(a..=b) is also supported. Note that a and b can no longer be references or SIMD types. (#744, #1003)
• Replace AsByteSliceMut with Fill and add support for [bool], [char], [f32], [f64] (#940)
• Restrict rand::rngs::adapter to std (#1027; see also #928)
• StdRng: add new std_rng feature flag (enabled by default, but might need to be used if disabling default crate features) (#948)
• StdRng: Switch from ChaCha20 to ChaCha12 for better performance (#1028)
• SmallRng: Replace PCG algorithm with xoshiro{128,256}++ (#1038)

Sequences

• Add IteratorRandom::choose_stable as an alternative to choose which does not depend on size hints (#1057)
• Improve accuracy and performance of IteratorRandom::choose (#1059)
• Implement IntoIterator for IndexVec, replacing the into_iter method (#1007)
• Add value stability tests for seq module (#933)

Misc

• Support PartialEq and Eq for StdRng, SmallRng and StepRng (#979)
• Added a serde1 feature and added Serialize/Deserialize to UniformInt and WeightedIndex (#974)
• Drop some unsafe code (#962, #963, #1011)
• Reduce packaged crate size (#983)
• Migrate to GitHub Actions from Travis+AppVeyor (#1073)

Distributions

... (truncated)

Commits

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[dependabot]

Superseded by #10.