Bump org.primefaces:primefaces-themes from 15.0.7 to 15.0.8 (#600)

Bumps [org.primefaces:primefaces-themes](https://github.com/primefaces/primefaces) from 15.0.7 to 15.0.8.
- [Release notes](https://github.com/primefaces/primefaces/releases)
- [Commits](primefaces/primefaces@v15.0.7...v15.0.8)

---
updated-dependencies:
- dependency-name: org.primefaces:primefaces-themes
  dependency-version: 15.0.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -86,7 +86,7 @@
         <dependency>
             <groupId>org.primefaces</groupId>
             <artifactId>primefaces-themes</artifactId>
-            <version>15.0.7</version>
+            <version>15.0.8</version>
         </dependency>
         <!-- JS and CSS -->
         <dependency>