Bump sigstore/cosign-installer from 4.1.1 to 4.1.2 (#726)

Bumps
[sigstore/cosign-installer](https://github.com/sigstore/cosign-installer)
from 4.1.1 to 4.1.2.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/sigstore/cosign-installer/releases">sigstore/cosign-installer's
releases</a>.</em></p>
<blockquote>
<h2>v4.1.2</h2>
<h2>What's Changed</h2>
<ul>
<li>Bump cosign to 3.0.6 in <a
href="https://redirect.github.com/sigstore/cosign-installer/pull/232">sigstore/cosign-installer#232</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/sigstore/cosign-installer/commit/6f9f17788090df1f26f669e9d70d6ae9567deba6"><code>6f9f177</code></a>
Bump cosign to 3.0.6 (<a
href="https://redirect.github.com/sigstore/cosign-installer/issues/232">#232</a>)</li>
<li><a
href="https://github.com/sigstore/cosign-installer/commit/b5e753ae2d39589c7b38850b463739151fc67f07"><code>b5e753a</code></a>
Bump actions/github-script from 8.0.0 to 9.0.0 (<a
href="https://redirect.github.com/sigstore/cosign-installer/issues/230">#230</a>)</li>
<li><a
href="https://github.com/sigstore/cosign-installer/commit/115e4ce455e573aa6e9ba51e8d040ddd5c1378af"><code>115e4ce</code></a>
Bump actions/setup-go from 6.3.0 to 6.4.0 (<a
href="https://redirect.github.com/sigstore/cosign-installer/issues/226">#226</a>)</li>
<li>See full diff in <a
href="https://github.com/sigstore/cosign-installer/compare/cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003...6f9f17788090df1f26f669e9d70d6ae9567deba6">compare
view</a></li>
</ul>
</details>
<br />


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.github/workflows/publish-container.yml

@@ -24,7 +24,7 @@ jobs:
       run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u "${GITHUB_ACTOR}" --password-stdin
 
     - name: Install cosign
-      uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
+      uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
 
     - name: Publish container
       run: |