Update cosign version to v2.4.0 in release github workflow (#1207)

Change-Id: I78b4ad65597f6c10d9cc3113864fd73a25101b25

Signed-off-by: Cosmin Cojocar <[email protected]>

Author: ccojocar

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Install Cosign
         uses: sigstore/cosign-installer@v3
         with:
-          cosign-release: 'v2.2.4'
+          cosign-release: 'v2.4.0'
       - name: Store Cosign private key in a file
         run: 'echo "$COSIGN_KEY" > /tmp/cosign.key'
         shell: bash