Add cosign yes answer to prompts

Signed-off-by: Marie Katrine Ekeberg <marie.ekeberg@tietoevry.com>

Author: mkekeberg

.github/workflows/build.yaml

@@ -52,4 +52,4 @@ jobs:
       env:
         COSIGN_EXPERIMENTAL: 1
       #run: cosign sign --oidc-issuer ${env.ACTIONS_ID_TOKEN_REQUEST_URL} ${{ env.IMAGE }}
-      run: cosign sign --oidc-issuer https://token.actions.githubusercontent.com ${{ env.IMAGE }}@${{ steps.build-push.outputs.digest }}
+      run: cosign sign -y --oidc-issuer https://token.actions.githubusercontent.com ${{ env.IMAGE }}@${{ steps.build-push.outputs.digest }}