Build(deps): Bump yosys from c5e4eec to 5813809 (chipsalliance#1769)

Bumps [yosys](https://github.com/YosysHQ/yosys) from `c5e4eec` to
`5813809`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/YosysHQ/yosys/commit/5813809ad9afbe1c38f65c6aae7c3441d7614d0b"><code>5813809</code></a>
Bump version</li>
<li>See full diff in <a
href="https://github.com/YosysHQ/yosys/compare/c5e4eec3ba932268a81bb352b3734e8868d874bf...5813809ad9afbe1c38f65c6aae7c3441d7614d0b">compare
view</a></li>
</ul>
</details>
<br />


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</details>

Author: kamilrakoczy