LOG-21519 Revert incompatible maven plugin versions

Author: epoh-r7

pom.xml

@@ -60,7 +60,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
+                <version>2.0.2</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>
@@ -110,7 +110,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>3.5.0</version>
+                        <version>3.1.1</version>
                         <executions>
                             <execution>
                                 <id>attach-javadocs</id>
@@ -123,15 +123,15 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-release-plugin</artifactId>
-                        <version>3.0.0</version>
+                        <version>2.5</version>
                         <configuration>
                             <tagNameFormat>@{project.version}</tagNameFormat>
                         </configuration>
                     </plugin>
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>3.1.0</version>
+                        <version>1.6</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>