Bump step-security/harden-runner from 2.14.2 to 2.15.0 in the actions group (#46)

Bumps the actions group with 1 update:
[step-security/harden-runner](https://github.com/step-security/harden-runner).

Updates `step-security/harden-runner` from 2.14.2 to 2.15.0
<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>v2.15.0</h2>
<h2>What's Changed</h2>
<h3>Windows and macOS runner support</h3>
<p>We are excited to announce that Harden Runner now supports
<strong>Windows and macOS runners</strong>, extending runtime security
beyond Linux for the first time.</p>
<p>Insights for Windows and macOS runners will be displayed in the same
consistent format you are already familiar with from Linux runners,
giving you a unified view of runtime activity across all platforms.</p>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/step-security/harden-runner/compare/v2.14.2...v2.15.0">https://github.com/step-security/harden-runner/compare/v2.14.2...v2.15.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/step-security/harden-runner/commit/a90bcbc6539c36a85cdfeb73f7e2f433735f215b"><code>a90bcbc</code></a>
Update readme (<a
href="https://redirect.github.com/step-security/harden-runner/issues/637">#637</a>)</li>
<li><a
href="https://github.com/step-security/harden-runner/commit/f0a59d88538059e010b6ebd90b74e2740a6d05fc"><code>f0a59d8</code></a>
Release v2.15.0 (<a
href="https://redirect.github.com/step-security/harden-runner/issues/639">#639</a>)</li>
<li>See full diff in <a
href="https://github.com/step-security/harden-runner/compare/5ef0c079ce82195b2a36a210272d6b661572d83e...a90bcbc6539c36a85cdfeb73f7e2f433735f215b">compare
view</a></li>
</ul>
</details>
<br />


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Author: dependabot[bot]

.github/workflows/auth.yaml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
         with:
           egress-policy: audit
 

.github/workflows/test.yaml

@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
         with:
           egress-policy: audit