Updated release version to 2.2.0, and maven core and plugin API version to 3.8.6.

Author: cheeseng

pom.xml

@@ -13,7 +13,7 @@
   <groupId>org.scalatest</groupId>
   <artifactId>scalatest-maven-plugin</artifactId>
   <packaging>maven-plugin</packaging>
-  <version>2.1.0</version>
+  <version>2.2.0</version>
   <name>ScalaTest Maven Plugin</name>
   <description>Integrates ScalaTest into Maven</description>
   <url>https://www.scalatest.org/user_guide/using_the_scalatest_maven_plugin</url>
@@ -32,8 +32,8 @@
     <maven.build.timestamp.format>yyyy-MM-dd</maven.build.timestamp.format>
     <maven.gpg.plugin.version>1.6</maven.gpg.plugin.version>
     <maven.project.info.reports.plugin.version>2.9</maven.project.info.reports.plugin.version>
-    <maven.plugin.api.version>3.3.9</maven.plugin.api.version>
-    <maven.core.version>3.3.9</maven.core.version>
+    <maven.plugin.api.version>3.8.6</maven.plugin.api.version>
+    <maven.core.version>3.8.6</maven.core.version>
     <junit.version>4.12</junit.version>
     <maven.reporting.api.version>3.0</maven.reporting.api.version>
     <maven.enforcer.plugin.version>1.4.1</maven.enforcer.plugin.version>