Version 1.6.0

Changes to Java 16 surefire module declarations.

pom.xml

@@ -46,12 +46,12 @@
         <java.version>16</java.version>
         <powermock.version>2.0.9</powermock.version>
         <!-- More visible way how to change dependency versions -->
-        <spigot.version>1.16.3-R0.1-SNAPSHOT</spigot.version>
+        <spigot.version>1.17.1-R0.1-SNAPSHOT</spigot.version>
         <bentobox.version>1.16.0</bentobox.version>
         <!-- Revision variable removes warning about dynamic version -->
         <revision>${build.version}-SNAPSHOT</revision>
         <!-- This allows to change between versions and snapshots. -->
-        <build.version>1.5.4</build.version>
+        <build.version>1.6.0</build.version>
         <build.number>-LOCAL</build.number>
         <sonar.projectKey>BentoBoxWorld_Greenhouses</sonar.projectKey>
         <sonar.organization>bentobox-world</sonar.organization>
@@ -194,7 +194,9 @@
                 <version>3.0.0-M5</version>
                 <configuration>
                     <argLine>
-                        --illegal-access=permit
+                        --add-opens java.base/java.lang=ALL-UNNAMED
+                        --add-opens java.base/java.util=ALL-UNNAMED
+                        --add-opens java.base/java.util.concurrent=ALL-UNNAMED
                     </argLine>
                 </configuration>
             </plugin>