fix(deps): update dependency pmd to v7.8.0

Author: renovate[bot]

build.gradle

@@ -14,7 +14,7 @@ ext{
     mockitoJunitJupiterVersion = '5.14.2'
     jupiterApiVersion = '5.11.3'
     assertjVersion = '3.26.3'
-    pmdVersion = '7.7.0'
+    pmdVersion = '7.8.0'
     jacocoVersion = '0.8.12'
     caffeineVersion = '3.1.8'
     nexusStagingPluginVersion = '0.22.0'