Update dependency io.pebbletemplates:pebble to v3.2.4

Author: renovate[bot]

generator/pom.xml

@@ -135,7 +135,7 @@
         <dependency>
             <groupId>io.pebbletemplates</groupId>
             <artifactId>pebble</artifactId>
-            <version>3.2.3</version>
+            <version>3.2.4</version>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>