Update sigstore/cosign-installer action to v4

Author: renovate[bot]

.github/workflows/build-and-publish.yaml

@@ -96,7 +96,7 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Install cosign
-        uses: sigstore/cosign-installer@v3.10.1
+        uses: sigstore/cosign-installer@v4.0.0
         with:
           cosign-release: 'v2.2.4'
       - name: Sign Docker image with cosign
@@ -126,7 +126,7 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Install cosign
-        uses: sigstore/cosign-installer@v3.10.1
+        uses: sigstore/cosign-installer@v4.0.0
         with:
           cosign-release: 'v2.2.4'
       - name: Verify Docker image with cosign