Update to Spock 2.0, Gradle 7.0.2, Maven 3.8.1

pom.xml

@@ -11,7 +11,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <groovy.version>3.0.7</groovy.version>
+    <groovy.version>3.0.8</groovy.version>
   </properties>
 
   <build>
@@ -62,7 +62,7 @@
       <dependency>
         <groupId>org.spockframework</groupId>
         <artifactId>spock-bom</artifactId>
-        <version>2.0-M5-groovy-3.0</version>
+        <version>2.0-groovy-3.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -90,13 +90,13 @@
     <dependency> <!-- enables mocking of classes (in addition to interfaces) -->
       <groupId>net.bytebuddy</groupId>
       <artifactId>byte-buddy</artifactId>
-      <version>1.10.10</version>
+      <version>1.11.0</version>
       <scope>test</scope>
     </dependency>
     <dependency> <!-- enables mocking of classes without default constructor (together with ByteBuddy or CGLIB) -->
       <groupId>org.objenesis</groupId>
       <artifactId>objenesis</artifactId>
-      <version>3.1</version>
+      <version>3.2</version>
       <scope>test</scope>
     </dependency>
     <dependency> <!-- only required if Hamcrest matchers are used -->