chore(deps): update nginx docker digest to 4c0fdaa

.github/workflows/main.yml

@@ -109,7 +109,7 @@ jobs:
     # start nginx as service to test validation via http-challenge local path
     services:
       nginx:
-        image: nginx@sha256:2bdc49f2f8ae8d8dc50ed00f2ee56d00385c6f8bc8a8b320d0a294d9e3b49026
+        image: nginx@sha256:4c0fdaa8b6341bfdeca5f18f7837462c80cff90527ee35ef185571e1c327beac
         volumes:
           - /tmp:/usr/share/nginx/html
         ports: