health: fix nginx pid path

services/health/wger-deployment.yaml

@@ -188,6 +188,9 @@ spec:
         - name: nginx
           image: nginx:1.27.5-alpine@sha256:65645c7bb6a0661892a8b03b89d0743208a18dd2f3f17a54ef4b76fb8e2f2a10
           imagePullPolicy: IfNotPresent
+          args:
+            - -g
+            - daemon off; pid /tmp/nginx.pid;
           ports:
             - name: http
               containerPort: 8080