chore: upgreade cosogn action to see if it solve the signing issue

Author: xNok

.github/workflows/docker-caddy-publish.yml

@@ -40,9 +40,9 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 #v3.1.1
+        uses: sigstore/cosign-installer@v3.4.0
         with:
-          cosign-release: 'v2.1.1'
+          cosign-release: 'v2.2.2'
 
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache

ansible/roles/docker-swarm-app-caddy/assets/README.md

@@ -0,0 +1,7 @@
+# Caddy Role Assets
+
+## Validating default config
+
+```bash
+docker run -v $PWD:/var/data/caddy  ghcr.io/xnok/infra-bootstrap-tools-caddy:main caddy validate -c /var/data/caddy/Caddyfile
+```