fix: bump release-please from 15.0.0 to 15.1.0 (#690)

Bumps [release-please](https://github.com/googleapis/release-please)
from 15.0.0 to 15.1.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/googleapis/release-please/releases">release-please's
releases</a>.</em></p>
<blockquote>
<h2>v15.1.0</h2>
<h2><a
href="https://github.com/googleapis/release-please/compare/v15.0.0...v15.1.0">15.1.0</a>
(2023-01-05)</h2>
<h3>Features</h3>
<ul>
<li><strong>ruby:</strong> Add Gemfile.Lock updater (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1790">#1790</a>)
(<a
href="https://github.com/googleapis/release-please/commit/9baf736aa424bf3dcf0f05009e5cf8c9ef05fd69">9baf736</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li><strong>java-yoshi:</strong> Throw MissingRequiredFile error if no
versions.txt found (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1794">#1794</a>)
(<a
href="https://github.com/googleapis/release-please/commit/542d412307ea8d6350908aeb7efaf9db9e3d03f9">542d412</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/googleapis/release-please/blob/main/CHANGELOG.md">release-please's
changelog</a>.</em></p>
<blockquote>
<h2><a
href="https://github.com/googleapis/release-please/compare/v15.0.0...v15.1.0">15.1.0</a>
(2023-01-05)</h2>
<h3>Features</h3>
<ul>
<li><strong>ruby:</strong> Add Gemfile.Lock updater (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1790">#1790</a>)
(<a
href="https://github.com/googleapis/release-please/commit/9baf736aa424bf3dcf0f05009e5cf8c9ef05fd69">9baf736</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li><strong>java-yoshi:</strong> Throw MissingRequiredFile error if no
versions.txt found (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1794">#1794</a>)
(<a
href="https://github.com/googleapis/release-please/commit/542d412307ea8d6350908aeb7efaf9db9e3d03f9">542d412</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/googleapis/release-please/commit/9481c18b888755466971db24e2abff917650a0f5"><code>9481c18</code></a>
chore(main): release 15.1.0 (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1796">#1796</a>)</li>
<li><a
href="https://github.com/googleapis/release-please/commit/542d412307ea8d6350908aeb7efaf9db9e3d03f9"><code>542d412</code></a>
fix(java-yoshi): throw MissingRequiredFile error if no versions.txt
found (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1">#1</a>...</li>
<li><a
href="https://github.com/googleapis/release-please/commit/9baf736aa424bf3dcf0f05009e5cf8c9ef05fd69"><code>9baf736</code></a>
feat(ruby): add Gemfile.Lock updater (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1790">#1790</a>)</li>
<li><a
href="https://github.com/googleapis/release-please/commit/9c94e0c2434e3a9bf01de64a6c39197a6955b83e"><code>9c94e0c</code></a>
build: have Kokoro grab service account credentials from secret that
will be ...</li>
<li><a
href="https://github.com/googleapis/release-please/commit/0dd34c9b3888efc5c82f62fae82621f89d5430d3"><code>0dd34c9</code></a>
chore(deps): update dependency sinon to v15.0.1 (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1784">#1784</a>)</li>
<li>See full diff in <a
href="https://github.com/googleapis/release-please/compare/v15.0.0...v15.1.0">compare
view</a></li>
</ul>
</details>
<br />


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score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=release-please&package-manager=npm_and_yarn&previous-version=15.0.0&new-version=15.1.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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package.json

@@ -26,7 +26,7 @@
   "homepage": "https://github.com/bcoe/release-please-action#readme",
   "dependencies": {
     "@actions/core": "^1.10.0",
-    "release-please": "^15.0.0"
+    "release-please": "^15.1.0"
   },
   "devDependencies": {
     "@vercel/ncc": "^0.27.0",