Fix dependency convergence error on org.checkerframework:checker-qual…

…:jar:3.42.0/3.5.0

```
[ERROR] Dependency convergence error for org.checkerframework:checker-qual:jar:3.42.0 paths to dependency are:
[ERROR] +-org.geoserver.acl.plugin:gs-acl-plugin-webui:jar:2.3-SNAPSHOT
[ERROR]   +-org.geoserver:gs-main:jar:2.26-SNAPSHOT:provided
[ERROR]     +-com.google.guava:guava:jar:33.2.0-jre:provided
[ERROR]       +-org.checkerframework:checker-qual:jar:3.42.0:provided
[ERROR] and
[ERROR] +-org.geoserver.acl.plugin:gs-acl-plugin-webui:jar:2.3-SNAPSHOT
[ERROR]   +-org.geoserver.web:gs-web-core:jar:2.26-SNAPSHOT:provided
[ERROR]     +-org.geotools.jdbc:gt-jdbc-postgis:jar:32-SNAPSHOT:provided
[ERROR]       +-org.postgresql:postgresql:jar:42.3.8:provided
[ERROR]         +-org.checkerframework:checker-qual:jar:3.5.0:provided
```

src/pom.xml

@@ -234,6 +234,11 @@
             <artifactId>jsr305</artifactId>
             <version>3.0.2</version>
           </dependency>
+          <dependency>
+            <groupId>org.checkerframework</groupId>
+            <artifactId>checker-qual</artifactId>
+            <version>3.42.0</version>
+          </dependency>
           <dependency>
             <groupId>commons-beanutils</groupId>
             <artifactId>commons-beanutils</artifactId>