Update jackson monorepo

Author: renovate[bot]

algorithm-exercises-java/build.gradle

@@ -31,9 +31,9 @@ dependencies {
     implementation 'com.google.guava:guava:33.4.8-jre'
 
     //
-    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-core', version: '2.19.2'
-    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-annotations', version: '2.19.2'
-    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.19.2'
+    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-core', version: '2.20.0'
+    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-annotations', version: '2.20'
+    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.20.0'
 
 }