Upgrade Mockito 5.0.0 -> 5.1.0 (#480)

See:
- https://github.com/mockito/mockito/releases/tag/v5.1.0
- mockito/mockito@v5.0.0...v5.1.0

pom.xml

@@ -154,7 +154,7 @@
         <version.guava-beta-checker>1.0</version.guava-beta-checker>
         <version.jdk>11</version.jdk>
         <version.maven>3.8.6</version.maven>
-        <version.mockito>5.0.0</version.mockito>
+        <version.mockito>5.1.0</version.mockito>
         <version.nopen-checker>1.0.1</version.nopen-checker>
         <version.nullaway>0.10.8</version.nullaway>
         <version.pitest-git>1.0.3</version.pitest-git>