chore(deps): update sigstore/cosign-installer action to v3.4.0 (#76)

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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 | `v3.3.0` -> `v3.4.0` |

---

### Release Notes

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

###
[`v3.4.0`](https://togithub.com/sigstore/cosign-installer/releases/tag/v3.4.0)

[Compare
Source](https://togithub.com/sigstore/cosign-installer/compare/v3.3.0...v3.4.0)

#### What's Changed

- Use examples that work with multiple tags by
[@&#8203;jkreileder](https://togithub.com/jkreileder) in
[sigstore/cosign-installer#155
- default cosign install to release v2.2.3 by
[@&#8203;cpanato](https://togithub.com/cpanato) in
[sigstore/cosign-installer#156

#### New Contributors

- [@&#8203;jkreileder](https://togithub.com/jkreileder) made their first
contribution in
[sigstore/cosign-installer#155

**Full Changelog**:
sigstore/cosign-installer@v3...v3.4.0

</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@9614fae9e5c5eddabb09f90a270fcb487c9f7149 # v3.3.0
+      uses: sigstore/cosign-installer@e1523de7571e31dbe865fd2e80c5c7c23ae71eb4 # v3.4.0
       with:
         cosign-release: ${{ inputs.cosign-version }}
 

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

@@ -18,7 +18,7 @@ runs:
   using: composite
   steps:
     - name: Setup Cosign
-      uses: sigstore/cosign-installer@9614fae9e5c5eddabb09f90a270fcb487c9f7149 # v3.3.0
+      uses: sigstore/cosign-installer@e1523de7571e31dbe865fd2e80c5c7c23ae71eb4 # v3.4.0
       with:
         cosign-release: ${{ inputs.cosign-version }}