[GR-53928] Use maven wrapper in standalone and micronaut tests.

PullRequest: graalpython/3333

Author: tomasstupka

graalpython/com.oracle.graal.python.test/src/tests/standalone/check_home_pom.xml

@@ -54,13 +54,13 @@ SOFTWARE.
     <dependency>
       <groupId>org.graalvm.polyglot</groupId>
       <artifactId>python-community</artifactId>
-      <version>{graalpy-maven-plugin-version}</version>
+      <version>${env.GRAALPY_VERSION}</version>
       <type>pom</type>
     </dependency>
     <dependency>
       <groupId>org.graalvm.python</groupId>
       <artifactId>python-launcher</artifactId>
-      <version>{graalpy-maven-plugin-version}</version>
+      <version>${env.GRAALPY_VERSION}</version>
     </dependency>
   </dependencies>
 
@@ -69,7 +69,7 @@ SOFTWARE.
       <plugin>
         <groupId>org.graalvm.python</groupId>
         <artifactId>graalpy-maven-plugin</artifactId>
-        <version>{graalpy-maven-plugin-version}</version>
+        <version>${env.GRAALPY_VERSION}</version>
         <executions>
           <execution>
             <configuration>

graalpython/com.oracle.graal.python.test/src/tests/standalone/fail_without_graalpy_dep_pom.xml

@@ -55,7 +55,7 @@ SOFTWARE.
       <plugin>
         <groupId>org.graalvm.python</groupId>
         <artifactId>graalpy-maven-plugin</artifactId>
-        <version>{graalpy-maven-plugin-version}</version>
+        <version>${env.GRAALPY_VERSION}</version>
         <executions>
           <execution>
             <goals>