Build(deps): Bump yosys from 88c849d to c5e4eec (chipsalliance#1764)

Bumps [yosys](https://github.com/YosysHQ/yosys) from `88c849d` to
`c5e4eec`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/YosysHQ/yosys/commit/c5e4eec3ba932268a81bb352b3734e8868d874bf"><code>c5e4eec</code></a>
Next dev cycle</li>
<li><a
href="https://github.com/YosysHQ/yosys/commit/f7a8284c7b095bca4bc2c65032144c4e3264ee4d"><code>f7a8284</code></a>
Release version 0.30</li>
<li><a
href="https://github.com/YosysHQ/yosys/commit/73badeccefc5dedd2681ae5bcbc2893d92be2354"><code>73badec</code></a>
Bump version</li>
<li><a
href="https://github.com/YosysHQ/yosys/commit/8cb3bab4795fa42c0e11dbcbf7927ac711968308"><code>8cb3bab</code></a>
Merge pull request <a
href="https://redirect.github.com/YosysHQ/yosys/issues/3792">#3792</a>
from pu-cc/gatemate-bram-updates</li>
<li><a
href="https://github.com/YosysHQ/yosys/commit/61387d78b7243c10fee247f8a6c4e1fc1a6a5659"><code>61387d7</code></a>
gatemate: Prevent implicit declaration of <code>ram_{we,en}</code></li>
<li><a
href="https://github.com/YosysHQ/yosys/commit/62fc118548673e188b8107e1a71c08635cc50f14"><code>62fc118</code></a>
Merge pull request <a
href="https://redirect.github.com/YosysHQ/yosys/issues/3790">#3790</a>
from zeldin/makefile-posix-test</li>
<li><a
href="https://github.com/YosysHQ/yosys/commit/7c606bd5a3d62b5995baada7ad1ee32f496a0339"><code>7c606bd</code></a>
Merge pull request <a
href="https://redirect.github.com/YosysHQ/yosys/issues/3791">#3791</a>
from nakengelhardt/nak/show_attr_wires</li>
<li><a
href="https://github.com/YosysHQ/yosys/commit/6f5d984bdb370a948ff10fbcc796bc6cf1aa96c8"><code>6f5d984</code></a>
Merge pull request <a
href="https://redirect.github.com/YosysHQ/yosys/issues/3778">#3778</a>
from jix/yw_clk2fflogic</li>
<li><a
href="https://github.com/YosysHQ/yosys/commit/0707b911c7352398388a0331cf1660a78cc571c8"><code>0707b91</code></a>
show: add -viewer none option</li>
<li><a
href="https://github.com/YosysHQ/yosys/commit/4b986c9c65a9ceb297f0843eb0a9f34d97baadb0"><code>4b986c9</code></a>
fix wire color after BUF</li>
<li>Additional commits viewable in <a
href="https://github.com/YosysHQ/yosys/compare/88c849d112f4f8cf20617bbc98eac055956269c2...c5e4eec3ba932268a81bb352b3734e8868d874bf">compare
view</a></li>
</ul>
</details>
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</details>

Author: kamilrakoczy