Powermock/Mockito updates

updating mockito to the latest 3.x version
updating powermock to the latest 2.x version

mockito 4.x not yet supported by powermock, issue linked in pom.

Adding new exclusions to deconflict updated references.

Author: jeremiahjstacey

pom.xml

@@ -134,7 +134,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <version.jmh>1.34</version.jmh>
         <!-- Note: powermock v2.0.8 doesn't exist. v2.0.9+ requires mockito-core v3+, which requires Java 8 -->
-        <version.powermock>2.0.7</version.powermock>
+        <version.powermock>2.0.9</version.powermock>
         <version.spotbugs>4.5.2</version.spotbugs>
         <version.spotbugs.maven>4.5.2.0</version.spotbugs.maven>
         <version.surefire>3.0.0-M5</version.surefire>
@@ -342,6 +342,10 @@
                   <groupId>org.javassist</groupId>
                   <artifactId>javassist</artifactId>
                 </exclusion>
+                <exclusion>
+                	<groupId>org.mockito</groupId>
+                	<artifactId>mockito-core</artifactId>
+                </exclusion>
             </exclusions>
         </dependency>
         <!-- The following imported solely so we can exclude its dependency on: org.objenesis:objenesis, which conflicts with 
@@ -357,8 +361,10 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <!-- mockito-core v3.0.0+ requires Java 8 -->
-            <version>2.28.2</version>
+            <!-- Cannot upgrade past 3.x due to PowerMock compatibility
+            https://github.com/powermock/powermock/issues/1109
+             -->
+            <version>3.12.4</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -372,6 +378,14 @@
                   <groupId>org.javassist</groupId>
                   <artifactId>javassist</artifactId>
                 </exclusion>
+                 <exclusion>
+                    <groupId>net.bytebuddy</groupId>
+                    <artifactId>byte-buddy</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>net.bytebuddy</groupId>
+                    <artifactId>byte-buddy-agent</artifactId>
+                </exclusion>
             </exclusions>
         </dependency>
         <dependency>