Upgrade Mockito 4.6.1 -> 4.7.0 (#196)

See:
- https://github.com/mockito/mockito/releases/tag/v4.7.0
- mockito/mockito@v4.6.1...v4.7.0

pom.xml

@@ -151,7 +151,7 @@
         <version.guava-beta-checker>1.0</version.guava-beta-checker>
         <version.jdk>11</version.jdk>
         <version.maven>3.6.3</version.maven>
-        <version.mockito>4.6.1</version.mockito>
+        <version.mockito>4.7.0</version.mockito>
         <version.nopen-checker>1.0.1</version.nopen-checker>
         <version.nullaway>0.9.9</version.nullaway>
         <!-- XXX: Two other dependencies are potentially of interest: