Bump the actions group with 1 update

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


Updates `sigstore/cosign-installer` from 3.3.0 to 3.4.0
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@9614fae...e1523de)

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

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

Author: dependabot[bot]

action.yml

@@ -20,7 +20,7 @@ inputs:
 runs:
   using: composite
   steps:
-    - uses: sigstore/cosign-installer@9614fae9e5c5eddabb09f90a270fcb487c9f7149 # v3.3.0
+    - uses: sigstore/cosign-installer@e1523de7571e31dbe865fd2e80c5c7c23ae71eb4 # v3.4.0
     - run: |
         cd $GITHUB_ACTION_PATH \
         && ./ct.sh \