Update dependency com.xwiki.pdfviewer:macro-pdfviewer-ui to v2.7

Author: renovate[bot]

ui/pom.xml

@@ -159,7 +159,7 @@
       <!-- PDF documents -->
       <groupId>com.xwiki.pdfviewer</groupId>
       <artifactId>macro-pdfviewer-ui</artifactId>
-      <version>2.6.2</version>
+      <version>2.7</version>
       <type>xar</type>
       <scope>runtime</scope>
     </dependency>