build(deps): Bump sigstore/cosign-installer from 2.8.1 to 3.0.1 (#60)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 2.8.1 to 3.0.1.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v2.8.1...v3.0.1)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yml

@@ -29,7 +29,7 @@ jobs:
           go mod tidy
           go test -v ./...
           go build -o timer .
-      - uses: sigstore/cosign-installer@v2.8.1
+      - uses: sigstore/cosign-installer@v3.0.1
       - uses: goreleaser/goreleaser-action@v4
         if: success() && startsWith(github.ref, 'refs/tags/')
         with: