Update rand_hc requirement from 0.1.0 to 0.3.0

[dependabot-preview]

Updates the requirements on rand_hc to permit the latest version.

Changelog

Sourced from rand_hc's changelog.

[0.3.0] - 2015-03-25

Changed

• Update to use log version 0.3.x

[0.2.1] - 2015-03-22

Fixed

• Compatible with Rust master
• Fixed iOS compilation

[0.2.0] - 2015-03-06

Fixed

• Compatible with Rust master (move from old_io to std::io)

[0.1.4] - 2015-03-04

Fixed

• Compatible with Rust master (use wrapping ops)

[0.1.3] - 2015-02-20

Fixed

• Compatible with Rust master

Removed

• Removed Copy implementations from RNGs

[0.1.2] - 2015-02-03

Added

• Imported functionality from std::rand, including:
  • StdRng, SeedableRng, TreadRng, weak_rng()
  • ReaderRng: A wrapper around any Reader to treat it as an RNG.
• Imported documentation from std::rand
• Imported tests from std::rand

[0.1.1] - 2015-02-03

Added

• Migrate to a cargo-compatible directory structure.

Fixed

• Do not use entropy during gen_weighted_bool(1)

[Rust 0.12.0] - 2014-10-09

Added

• Impl Rand for tuples of arity 11 and 12
• Include ChaCha pseudorandom generator

Commits

• 98e220c Merge pull request #1072 from dhardy/work
• 95fea0e Fix link in README; rename keyword as suggested in #1073
• 459d863 Prepare rand_chacha 0.3.0 release
• 15aebf4 Prepare rand_pcg 0.3.0
• 14c2016 Prepare rand_hc 0.3.0
• d95dbd2 Prepare rand_core 0.6.0
• 6682db1 Merge pull request #1073 from rust-random/work2
• 33b8f37 Address review: use assert_almost_eq macro
• 354468e Use approximate assertions in value stability and increase some tolerences sl...
• 33a78de Add cross test (inspired by ndarray CI)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Automerge options (never/patch/minor, and dev/runtime dependencies)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)

[dependabot-preview]

Superseded by #138.