chore: update itworks pipeline

Dockerfile

@@ -1,7 +1,7 @@
 FROM nginx:1.31.2-alpine
 
 RUN apk update && \
-    apk upgrade --no-cache libxml2
+    apk upgrade --no-cache
 
 COPY index.html /usr/share/nginx/html/index.html
 EXPOSE 80

index.html

@@ -39,7 +39,7 @@
   <div class="box">
     <h1>It works!</h1>
     <p>Pipeline git → build → push Harbor → sign cosign → deploy Portainer OK</p>
-    <div class="ts">2026-07-04 06:32:53 UTC</div>
+    <div class="ts">2026-07-04 06:34:16 UTC</div>
   </div>
 </body>
 </html>