build(deps): bump the ci group with 1 update

Bumps the ci group with 1 update: [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer).

- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](https://github.com/sigstore/cosign-installer/compare/v3.1.2...v3.2.0)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: ci
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/push-ld.yml

@@ -17,7 +17,7 @@ jobs:
       packages: write
     steps:
       - uses: actions/checkout@v4
-      - uses: sigstore/cosign-installer@v3.1.2
+      - uses: sigstore/cosign-installer@v3.2.0
       - name: Prepare
         id: prep
         run: |

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: fluxcd/flux2/action@main
-      - uses: sigstore/cosign-installer@v3.1.2
+      - uses: sigstore/cosign-installer@v3.2.0
       - name: Prepare
         id: prep
         run: |