chore(deps): bump sigstore/cosign-installer from 2.6.0 to 2.7.0 (#3404)

Bumps
[sigstore/cosign-installer](https://github.com/sigstore/cosign-installer)
from 2.6.0 to 2.7.0.
<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>v2.7.0</h2>
<h2>What's Changed</h2>
<ul>
<li>bump cosign to v1.12.1 by <a
href="https://github.com/cpanato"><code>@​cpanato</code></a> in <a
href="https://github-redirect.dependabot.com/sigstore/cosign-installer/pull/94">sigstore/cosign-installer#94</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/sigstore/cosign-installer/compare/v2...v2.7.0">https://github.com/sigstore/cosign-installer/compare/v2...v2.7.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="ced07f21fb"><code>ced07f2</code></a>
bump cosign to v1.12.1 (<a
href="https://github-redirect.dependabot.com/sigstore/cosign-installer/issues/94">#94</a>)</li>
<li>See full diff in <a
href="https://github.com/sigstore/cosign-installer/compare/v2.6.0...v2.7.0">compare
view</a></li>
</ul>
</details>
<br />


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.github/workflows/build.yml

@@ -60,7 +60,7 @@ jobs:
         with:
           go-version: '>=1.19.1'
           cache: true
-      - uses: sigstore/cosign-installer@v2.6.0
+      - uses: sigstore/cosign-installer@v2.7.0
       - uses: anchore/sbom-action/download-syft@v0.12.0
       - name: setup-validate-krew-manifest
         run: go install sigs.k8s.io/krew/cmd/validate-krew-manifest@latest

.github/workflows/release.yml

@@ -73,7 +73,7 @@ jobs:
             ./dist/*.rpm
             ./dist/*.apk
           key: ${{ github.ref }}
-      - uses: sigstore/cosign-installer@v2.6.0
+      - uses: sigstore/cosign-installer@v2.7.0
       - uses: anchore/sbom-action/download-syft@v0.12.0
       - name: dockerhub-login
         if: startsWith(github.ref, 'refs/tags/v')