Bump sigstore/cosign-installer from 2.3.0 to 2.4.0 (#1980)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@536b37e...7e0881f)

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

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

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

.github/workflows/build.yaml

@@ -35,7 +35,7 @@ jobs:
     steps:
       - uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # v2.4.0
 
-      - uses: sigstore/cosign-installer@536b37ec5d5b543420bdfd9b744c5965bd4d8730 # v2.3.0
+      - uses: sigstore/cosign-installer@7e0881f8fe90b25e305bbf0309761e9314607e25 # v2.3.0
 
       - uses: actions/setup-go@b22fbbc2921299758641fab08929b4ac52b32923 # v2.2.0
         with:

.github/workflows/github-oidc.yaml

@@ -42,7 +42,7 @@ jobs:
           check-latest: true
 
       # Install tools.
-      - uses: sigstore/cosign-installer@536b37ec5d5b543420bdfd9b744c5965bd4d8730 # v2.3.0
+      - uses: sigstore/cosign-installer@7e0881f8fe90b25e305bbf0309761e9314607e25 # v2.3.0
       - uses: imjasonh/setup-ko@2c3450ca27f6e6f2b02e72a40f2163c281a1f675 # v0.4
 
       - name: Build and sign a container image