chore(deps): bump sigstore/cosign-installer from 2.8.1 to 3.0.2 (#6835)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 2.8.1 to 3.0.2.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](9becc61764...9e9de2292d)

---
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>
Co-authored-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

.github/workflows/helm-release.yaml

@@ -56,7 +56,7 @@ jobs:
           version: v3.10.3
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@9becc617647dfa20ae7b1151972e9b3a2c338a2b # v2.8.1
+        uses: sigstore/cosign-installer@9e9de2292db7abb3f51b7f4808d98f0d347a8919 # v3.0.2
         with:
           cosign-release: 'v1.13.0'
 

.github/workflows/images-publish.yaml

@@ -41,7 +41,7 @@ jobs:
           output: 'trivy-results.sarif'
           severity: 'CRITICAL,HIGH'
       - name: Install Cosign
-        uses: sigstore/cosign-installer@9becc617647dfa20ae7b1151972e9b3a2c338a2b # v2.8.1
+        uses: sigstore/cosign-installer@9e9de2292db7abb3f51b7f4808d98f0d347a8919 # v3.0.2
         with:
           cosign-release: 'v1.13.0'
       - name: Publish kyverno

.github/workflows/release.yaml

@@ -35,7 +35,7 @@ jobs:
           output: 'trivy-results.sarif'
           severity: 'CRITICAL,HIGH'
       - name: Install Cosign
-        uses: sigstore/cosign-installer@9becc617647dfa20ae7b1151972e9b3a2c338a2b # v2.8.1
+        uses: sigstore/cosign-installer@9e9de2292db7abb3f51b7f4808d98f0d347a8919 # v3.0.2
         with:
           cosign-release: 'v1.13.0'
       - name: Publish kyverno
@@ -261,7 +261,7 @@ jobs:
         with:
           version: 0.35.0
       - name: Install Cosign
-        uses: sigstore/cosign-installer@9becc617647dfa20ae7b1151972e9b3a2c338a2b # v2.8.1
+        uses: sigstore/cosign-installer@9e9de2292db7abb3f51b7f4808d98f0d347a8919 # v3.0.2
         with:
           cosign-release: 'v1.13.0'
       - name: Build yaml manifest