Merge changes Ib0b2dc7c,I827da397 into stable-5.9

* changes:
  Upgrade maven-resources-plugin to 3.2.0
  Upgrade plexus-compiler version to 2.8.8

org.eclipse.jgit.packaging/pom.xml

         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-resources-plugin</artifactId>
-          <version>3.1.0</version>
+          <version>3.2.0</version>
           <configuration>
             <encoding>ISO-8859-1</encoding>
           </configuration>

pom.xml

     <maven-surefire-plugin-version>3.0.0-M4</maven-surefire-plugin-version>
     <maven-surefire-report-plugin-version>${maven-surefire-plugin-version}</maven-surefire-report-plugin-version>
     <maven-compiler-plugin-version>3.8.1</maven-compiler-plugin-version>
-    <plexus-compiler-version>2.8.7</plexus-compiler-version>
+    <plexus-compiler-version>2.8.8</plexus-compiler-version>
 
     <!-- Properties to enable jacoco code coverage analysis -->
     <sonar.core.codeCoveragePlugin>jacoco</sonar.core.codeCoveragePlugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-resources-plugin</artifactId>
-          <version>3.1.0</version>
+          <version>3.2.0</version>
         </plugin>
         <plugin>
           <groupId>org.springframework.boot</groupId>