chore(deps): update sigstore/cosign-installer action to v3.2.0 (#46)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[sigstore/cosign-installer](https://togithub.com/sigstore/cosign-installer)
| action | minor | `v3.1.2` -> `v3.2.0` |

---

### Release Notes

<details>
<summary>sigstore/cosign-installer (sigstore/cosign-installer)</summary>

###
[`v3.2.0`](https://togithub.com/sigstore/cosign-installer/releases/tag/v3.2.0)

[Compare
Source](https://togithub.com/sigstore/cosign-installer/compare/v3.1.2...v3.2.0)

**Note: This release comes with a fix for CVE-2023-46737 described in
this [Github Security
Advisory](https://togithub.com/sigstore/cosign/security/advisories/GHSA-vfp6-jrw2-99g9).
Please upgrade to this release ASAP**

see https://github.com/sigstore/cosign/releases/tag/v2.2.1

#### What's Changed

- Support the runner context of gitea act by
[@&#8203;josedev-union](https://togithub.com/josedev-union) in
[sigstore/cosign-installer#147
- bump cosign to v2.2.1 by
[@&#8203;cpanato](https://togithub.com/cpanato) in
[sigstore/cosign-installer#148
- test with latest go version by
[@&#8203;bobcallaway](https://togithub.com/bobcallaway) in
[sigstore/cosign-installer#150

#### New Contributors

- [@&#8203;josedev-union](https://togithub.com/josedev-union) made their
first contribution in
[sigstore/cosign-installer#147

**Full Changelog**:
sigstore/cosign-installer@v3...v3.2.0

</details>

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.github/actions/sign-image/action.yml

@@ -23,7 +23,7 @@ runs:
   using: composite
   steps:
     - name: Setup Cosign
-      uses: sigstore/cosign-installer@11086d25041f77fe8fe7b9ea4e48e3b9192b8f19 # v3.1.2
+      uses: sigstore/cosign-installer@1fc5bd396d372bee37d608f955b336615edf79c8 # v3.2.0
       with:
         cosign-release: ${{ inputs.cosign-version }}