fix: bump release-please from 15.1.1 to 15.1.2 (#695)

Bumps [release-please](https://github.com/googleapis/release-please)
from 15.1.1 to 15.1.2.
<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>v15.1.2</h2>
<h2><a
href="https://github.com/googleapis/release-please/compare/v15.1.1...v15.1.2">15.1.2</a>
(2023-01-17)</h2>
<h3>Bug Fixes</h3>
<ul>
<li><strong>ruby:</strong> Gemfile.lock should not update when gem name
is empty (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1805">#1805</a>)
(<a
href="https://github.com/googleapis/release-please/commit/b54d499a6b38e13175402fbd7eb7be75094d5014">b54d499</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/v15.1.1...v15.1.2">15.1.2</a>
(2023-01-17)</h2>
<h3>Bug Fixes</h3>
<ul>
<li><strong>ruby:</strong> Gemfile.lock should not update when gem name
is empty (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1805">#1805</a>)
(<a
href="https://github.com/googleapis/release-please/commit/b54d499a6b38e13175402fbd7eb7be75094d5014">b54d499</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/googleapis/release-please/commit/110c2f96b47461a958bfe2c0ae1bdb03c26ce99e"><code>110c2f9</code></a>
chore(main): release 15.1.2 (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1806">#1806</a>)</li>
<li><a
href="https://github.com/googleapis/release-please/commit/b54d499a6b38e13175402fbd7eb7be75094d5014"><code>b54d499</code></a>
fix(ruby): gemfile.lock should not update when gem name is empty (<a
href="https://github-redirect.dependabot.com/googleapis/release-please/issues/1805">#1805</a>)</li>
<li>See full diff in <a
href="https://github.com/googleapis/release-please/compare/v15.1.1...v15.1.2">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=release-please&package-manager=npm_and_yarn&previous-version=15.1.1&new-version=15.1.2)](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": "^15.1.1"
+    "release-please": "^15.1.2"
   },
   "devDependencies": {
     "@vercel/ncc": "^0.27.0",