Upgrade pitest-maven-plugin 1.16.1 -> 1.17.0 (#1313)

See:
- https://github.com/hcoles/pitest/releases/tag/1.16.2
- https://github.com/hcoles/pitest/releases/tag/1.16.3
- https://github.com/hcoles/pitest/releases/tag/1.17.0
- hcoles/pitest@1.16.1...1.17.0

pom.xml

@@ -1492,7 +1492,7 @@
                 <plugin>
                     <groupId>org.pitest</groupId>
                     <artifactId>pitest-maven</artifactId>
-                    <version>1.16.1</version>
+                    <version>1.17.0</version>
                     <configuration>
                         <excludedClasses>
                             <!-- AutoValue generated classes. -->