Bump org.primefaces:primefaces from 6.2 to 8.0 in /ui

Bumps [org.primefaces:primefaces](https://github.com/primefaces/primefaces) from 6.2 to 8.0.
- [Release notes](https://github.com/primefaces/primefaces/releases)
- [Commits](https://github.com/primefaces/primefaces/commits/8.0)

---
updated-dependencies:
- dependency-name: org.primefaces:primefaces
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

ui/pom.xml

@@ -425,7 +425,7 @@
         <dependency>
             <groupId>org.primefaces</groupId>
             <artifactId>primefaces</artifactId>
-            <version>6.2</version>
+            <version>8.0</version>
         </dependency>
 
         <!-- PrimeFaces FontAwesome 5.x -->