Bumps [libc](https://github.com/rust-lang/libc) from 0.2.184 to 0.2.186. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/rust-lang/libc/releases">libc's releases</a>.</em></p> <blockquote> <h2>0.2.186</h2> <h3>Added</h3> <ul> <li>Apple: Add <code>KEVENT_FLAG_*</code> constants (<a href="https://redirect.github.com/rust-lang/libc/pull/5070">#5070</a>)</li> <li>Linux: Add <code>PR_SET_MEMORY_MERGE</code> and <code>PR_GET_MEMORY_MERGE</code> (<a href="https://redirect.github.com/rust-lang/libc/pull/5060">#5060</a>)</li> </ul> <h3>Changed</h3> <ul> <li>CI: Migrate FreeBSD CI from Cirrus CI to GitHub Actions (<a href="https://redirect.github.com/rust-lang/libc/pull/5058">#5058</a>)</li> </ul> <h2>0.2.185</h2> <h3>Added</h3> <ul> <li>EspIDF: Add <code>espidf_picolibc</code> cfg for picolibc <code>O_*</code> flag values (<a href="https://redirect.github.com/rust-lang/libc/pull/5035">#5035</a>)</li> <li>Hexagon: add missing constants and fix types for linux-musl (<a href="https://redirect.github.com/rust-lang/libc/pull/5042">#5042</a>)</li> <li>Redox: Add semaphore functions (<a href="https://redirect.github.com/rust-lang/libc/pull/5051">#5051</a>)</li> <li>Windows: Add <code>sprintf</code>, <code>snprintf</code>, and the <code>scanf</code> family (<a href="https://redirect.github.com/rust-lang/libc/pull/5024">#5024</a>)</li> </ul> <h3>Fixed</h3> <ul> <li>Hexagon: Decouple <code>time64</code> types from musl symbol redirects (<a href="https://redirect.github.com/rust-lang/libc/pull/5040">#5040</a>)</li> <li>Horizon: Change <code>POLL</code> constants from <code>c_short</code> to <code>c_int</code> (<a href="https://redirect.github.com/rust-lang/libc/pull/5045">#5045</a>)</li> </ul> </blockquote> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/rust-lang/libc/blob/0.2.186/CHANGELOG.md">libc's changelog</a>.</em></p> <blockquote> <h2><a href="https://github.com/rust-lang/libc/compare/0.2.185...0.2.186">0.2.186</a> - 2026-04-24</h2> <h3>Added</h3> <ul> <li>Apple: Add <code>KEVENT_FLAG_*</code> constants (<a href="https://redirect.github.com/rust-lang/libc/pull/5070">#5070</a>)</li> <li>Linux: Add <code>PR_SET_MEMORY_MERGE</code> and <code>PR_GET_MEMORY_MERGE</code> (<a href="https://redirect.github.com/rust-lang/libc/pull/5060">#5060</a>)</li> </ul> <h3>Changed</h3> <ul> <li>CI: Migrate FreeBSD CI from Cirrus CI to GitHub Actions (<a href="https://redirect.github.com/rust-lang/libc/pull/5058">#5058</a>)</li> </ul> <h2><a href="https://github.com/rust-lang/libc/compare/0.2.184...0.2.185">0.2.185</a> - 2026-04-13</h2> <h3>Added</h3> <ul> <li>EspIDF: Add <code>espidf_picolibc</code> cfg for picolibc <code>O_*</code> flag values (<a href="https://redirect.github.com/rust-lang/libc/pull/5035">#5035</a>)</li> <li>Hexagon: add missing constants and fix types for linux-musl (<a href="https://redirect.github.com/rust-lang/libc/pull/5042">#5042</a>)</li> <li>Redox: Add semaphore functions (<a href="https://redirect.github.com/rust-lang/libc/pull/5051">#5051</a>)</li> <li>Windows: Add <code>sprintf</code>, <code>snprintf</code>, and the <code>scanf</code> family (<a href="https://redirect.github.com/rust-lang/libc/pull/5024">#5024</a>)</li> </ul> <h3>Fixed</h3> <ul> <li>Hexagon: Decouple <code>time64</code> types from musl symbol redirects (<a href="https://redirect.github.com/rust-lang/libc/pull/5040">#5040</a>)</li> <li>Horizon: Change <code>POLL</code> constants from <code>c_short</code> to <code>c_int</code> (<a href="https://redirect.github.com/rust-lang/libc/pull/5045">#5045</a>)</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/rust-lang/libc/commit/42620ffc4109dc32e02f1cae9e63a3f4311b4b71"><code>42620ff</code></a> [0.2] libc: Release 0.2.186</li> <li><a href="https://github.com/rust-lang/libc/commit/9db2eaaaaea60e0b048785e41ca4eb9c50d30ad5"><code>9db2eaa</code></a> apple: add KEVENT_FLAG_* constants</li> <li><a href="https://github.com/rust-lang/libc/commit/38409392ffb50288aa84e94b75fc37bd565fd5bc"><code>3840939</code></a> Add PR_SET_MEMORY_MERGE and PR_GET_MEMORY_MERGE for linux</li> <li><a href="https://github.com/rust-lang/libc/commit/f697deb9440a8f916ec2fb95bef9e06fc847b6f7"><code>f697deb</code></a> chore: migrate from Cirrus CI to GHA</li> <li><a href="https://github.com/rust-lang/libc/commit/71d5bfcc1bda05da1783666fc2cd7d9669c9c4c8"><code>71d5bfc</code></a> libc: Release 0.2.185</li> <li><a href="https://github.com/rust-lang/libc/commit/1027d1c23bd3f07ba3dc6ab4a4eb4660cc91e509"><code>1027d1c</code></a> Revert "ci: Pin nightly to 2026-04-01"</li> <li><a href="https://github.com/rust-lang/libc/commit/0e9c6e53cca07b36239a6dc4e65d8b691b39023a"><code>0e9c6e5</code></a> redox: Add semaphore functions</li> <li><a href="https://github.com/rust-lang/libc/commit/24ef457ddd312f8b8055a8ed07f5376c5792c211"><code>24ef457</code></a> feat: add back support for gnu windows x86 in ci</li> <li><a href="https://github.com/rust-lang/libc/commit/aa75caf30c0153647c9ab9fc0fe382bce2564b0c"><code>aa75caf</code></a> horizon: Change POLL constants from c_short to c_int</li> <li><a href="https://github.com/rust-lang/libc/commit/b7eda5a40c678c4a195a389a329d85008eabaf2d"><code>b7eda5a</code></a> hexagon: add missing constants and fix types for linux-musl</li> <li>Additional commits viewable in <a href="https://github.com/rust-lang/libc/compare/0.2.184...0.2.186">compare view</a></li> </ul> </details> <br /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=libc&package-manager=cargo&previous-version=0.2.184&new-version=0.2.186)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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