Bump build.buf:buf from 1.65.0 to 1.66.0 (#426)

Bumps [build.buf:buf](https://github.com/bufbuild/buf) from 1.65.0 to
1.66.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/bufbuild/buf/releases">build.buf:buf's
releases</a>.</em></p>
<blockquote>
<h2>v1.66.0</h2>
<ul>
<li>Add LSP comment ignore code action to add comment ignores for lint
errors.</li>
<li>Fix buf breaking module comparison when adding new modules.</li>
<li>Add LSP hover support for protovalidate CEL expressions.</li>
<li>Fixed offset handling in CEL semantic tokens for non-ASCII content
and proto escape sequences in multi-line string literal
expressions.</li>
<li>Improve URI normalization for the LSP.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/bufbuild/buf/blob/main/CHANGELOG.md">build.buf:buf's
changelog</a>.</em></p>
<blockquote>
<h2>[v1.66.0] - 2026-02-23</h2>
<ul>
<li>Add LSP comment ignore code action to add comment ignores for lint
errors.</li>
<li>Fix buf breaking module comparison when adding new modules.</li>
<li>Add LSP hover support for protovalidate CEL expressions.</li>
<li>Fixed offset handling in CEL semantic tokens for non-ASCII content
and proto escape sequences in multi-line string literal
expressions.</li>
<li>Improve URI normalization for the LSP.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/bufbuild/buf/commit/7704876b4b5c0c6e2f7ce9dca01513635b48c231"><code>7704876</code></a>
Release v1.66.0 (<a
href="https://redirect.github.com/bufbuild/buf/issues/4354">#4354</a>)</li>
<li><a
href="https://github.com/bufbuild/buf/commit/58efc271b9264fe0d250c7357f4672884391051a"><code>58efc27</code></a>
Add URI normalisation improvements to changelog (<a
href="https://redirect.github.com/bufbuild/buf/issues/4353">#4353</a>)</li>
<li><a
href="https://github.com/bufbuild/buf/commit/1e73b90fcd5af01f01ae6c6c0634f2ba1b6c6e00"><code>1e73b90</code></a>
Make upgrade (<a
href="https://redirect.github.com/bufbuild/buf/issues/4350">#4350</a>)</li>
<li><a
href="https://github.com/bufbuild/buf/commit/58711b2f9740a80875ed2b4f76bded28d2e6b8a9"><code>58711b2</code></a>
Fix test flake (<a
href="https://redirect.github.com/bufbuild/buf/issues/4347">#4347</a>)</li>
<li><a
href="https://github.com/bufbuild/buf/commit/879d7a91585fc8c71eb602bc07ff522ddc37a6b5"><code>879d7a9</code></a>
Add further compatibility fixes for normalizeURI (<a
href="https://redirect.github.com/bufbuild/buf/issues/4346">#4346</a>)</li>
<li><a
href="https://github.com/bufbuild/buf/commit/743f7291a97c324c91ec851eda6054b7dfe37d03"><code>743f729</code></a>
Replace : with %3A after file:/// scheme in URIs to match VS Code's LSP
clien...</li>
<li><a
href="https://github.com/bufbuild/buf/commit/5781e7d1a1fbe6d9bfd45524c75c3a91791378d8"><code>5781e7d</code></a>
Use vendored protovalidate in LSP CEL hover tests (<a
href="https://redirect.github.com/bufbuild/buf/issues/4343">#4343</a>)</li>
<li><a
href="https://github.com/bufbuild/buf/commit/20d7d1307438b601bc75ad0fefa648a35c146b84"><code>20d7d13</code></a>
Add LSP hover support for CEL documentation (<a
href="https://redirect.github.com/bufbuild/buf/issues/4341">#4341</a>)</li>
<li><a
href="https://github.com/bufbuild/buf/commit/ffccea678169979b4e885a8b40e75dd2b53f6faf"><code>ffccea6</code></a>
Highlight nested CEL fields (<a
href="https://redirect.github.com/bufbuild/buf/issues/4342">#4342</a>)</li>
<li><a
href="https://github.com/bufbuild/buf/commit/9a28fcb88ca8cf73e3e36450eaa4576a88089103"><code>9a28fcb</code></a>
Add LSP code action for adding lint ignores (<a
href="https://redirect.github.com/bufbuild/buf/issues/4334">#4334</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/bufbuild/buf/compare/v1.65.0...v1.66.0">compare
view</a></li>
</ul>
</details>
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gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 assertj = "3.27.7"
-buf = "1.65.0"
+buf = "1.66.0"
 cel = "0.11.1"
 error-prone = "2.47.0"
 junit = "5.14.3"