GH-126 - Update to Mockito 5.20.0.

Author: odrotbohm

pom.xml

@@ -49,7 +49,7 @@
 		<errorprone.version>2.36.0</errorprone.version>
 		<junit.version>6.0.0</junit.version>
 		<logback.version>1.5.19</logback.version>
-		<mockito.version>5.17.0</mockito.version>
+		<mockito.version>5.20.0</mockito.version>
 		<nullaway.version>0.12.3</nullaway.version>
 		<spring.version>7.0.0-M4</spring.version>
 		<source.level>17</source.level>