Bump paste from 1.0.14 to 1.0.15 (#21)

Bumps [paste](https://github.com/dtolnay/paste) from 1.0.14 to 1.0.15.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dtolnay/paste/releases">paste's
releases</a>.</em></p>
<blockquote>
<h2>1.0.15</h2>
<ul>
<li>Resolve unexpected_cfgs warning (<a
href="https://redirect.github.com/dtolnay/paste/issues/102">#102</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/paste/commit/a2c7e27875277450ed28147623ba5218dd23e732"><code>a2c7e27</code></a>
Release 1.0.15</li>
<li><a
href="https://github.com/dtolnay/paste/commit/1d23098227a01de542ea52db13dc1314eca13f00"><code>1d23098</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/paste/issues/102">#102</a>
from dtolnay/checkcfg</li>
<li><a
href="https://github.com/dtolnay/paste/commit/1edfaae644d0b27e96c26cdc4d51e9fe3f51c12d"><code>1edfaae</code></a>
Resolve unexpected_cfgs warning</li>
<li><a
href="https://github.com/dtolnay/paste/commit/cc6803dd049b9943c1e49b2220ff37a94711577c"><code>cc6803d</code></a>
Explicitly install a Rust toolchain for cargo-outdated job</li>
<li><a
href="https://github.com/dtolnay/paste/commit/d39fb86d2d588bf63572886db340bc16c6cc6904"><code>d39fb86</code></a>
Ignore dead code lint in tests</li>
<li><a
href="https://github.com/dtolnay/paste/commit/14872adf2b72140902ed6425a90517333ccc1a44"><code>14872ad</code></a>
Work around empty_docs clippy lint in test</li>
<li><a
href="https://github.com/dtolnay/paste/commit/ed844dc6fe755bcee881bd93cdff5a77038aa49b"><code>ed844dc</code></a>
Work around dead_code warning in test</li>
<li><a
href="https://github.com/dtolnay/paste/commit/0a4161b1318e01845cb32790b3bdadd618608361"><code>0a4161b</code></a>
Add cargo.toml metadata to link to crate documentation</li>
<li><a
href="https://github.com/dtolnay/paste/commit/5a2bce19a1f100bf62824c9e3ff03879c916cdce"><code>5a2bce1</code></a>
Test docs.rs documentation build in CI</li>
<li><a
href="https://github.com/dtolnay/paste/commit/d7e0be15a74c99b303e9993365f41f3440551b8f"><code>d7e0be1</code></a>
Update actions/checkout@v3 -&gt; v4</li>
<li>Additional commits viewable in <a
href="https://github.com/dtolnay/paste/compare/1.0.14...1.0.15">compare
view</a></li>
</ul>
</details>
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