chore(deps): update nginx docker digest to 0c86ddd

.github/workflows/main.yml

@@ -111,7 +111,7 @@ jobs:
     # start nginx as service to test validation via http-challenge local path
     services:
       nginx:
-        image: nginx@sha256:bc5eac5eafc581aeda3008b4b1f07ebba230de2f27d47767129a6a905c84f470
+        image: nginx@sha256:0c86dddac19f2ce4fd716ac58c0fd87bf69bfd4edabfd6971fb885bafd12a00b
         volumes:
           - /tmp:/usr/share/nginx/html
         ports: