Update antora resources

Author: fmbenhassine

antora-playbook.yml

@@ -37,7 +37,7 @@ urls:
   redirect_facility: httpd
 ui:
   bundle:
-    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.11/ui-bundle.zip
+    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.15/ui-bundle.zip
     snapshot: true
 runtime:
   log:

pom.xml

@@ -48,7 +48,7 @@
                         <package>@antora/atlas-extension@1.0.0-alpha.1</package>
                         <package>@antora/collector-extension@1.0.0-alpha.3</package>
                         <package>@asciidoctor/tabs@1.0.0-beta.3</package>
-                        <package>@springio/antora-extensions@1.10.0</package>
+                        <package>@springio/antora-extensions@1.11.1</package>
                         <package>@springio/asciidoctor-extensions@1.0.0-alpha.9</package>
                     </packages>
                 </configuration>