Bump step-security/harden-runner from 2.15.0 to 2.15.1 (#1640)

Bumps
[step-security/harden-runner](https://github.com/step-security/harden-runner)
from 2.15.0 to 2.15.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/step-security/harden-runner/releases">step-security/harden-runner's
releases</a>.</em></p>
<blockquote>
<h2>v2.15.1</h2>
<h2>What's Changed</h2>
<ul>
<li>Fixes <a
href="https://redirect.github.com/step-security/harden-runner/issues/642">step-security/harden-runner#642</a>
bug due to which post step was failing on Windows ARM runners</li>
<li>Updates npm packages</li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/step-security/harden-runner/compare/v2.15.0...v2.15.1">https://github.com/step-security/harden-runner/compare/v2.15.0...v2.15.1</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/step-security/harden-runner/commit/58077d3c7e43986b6b15fba718e8ea69e387dfcc"><code>58077d3</code></a>
Release v2.15.1 (<a
href="https://redirect.github.com/step-security/harden-runner/issues/641">#641</a>)</li>
<li>See full diff in <a
href="https://github.com/step-security/harden-runner/compare/a90bcbc6539c36a85cdfeb73f7e2f433735f215b...58077d3c7e43986b6b15fba718e8ea69e387dfcc">compare
view</a></li>
</ul>
</details>
<br />


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.github/workflows/push_gem.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
+        uses: step-security/harden-runner@58077d3c7e43986b6b15fba718e8ea69e387dfcc # v2.15.1
         with:
           egress-policy: audit