Implemented CI/CD pipeline for automatic MR builds (but not tests yet)

Bumped version of build plugins to latest
Increased maven build heap size to 1024m as builds were starting to run out of memory
Added missing version number to build plugin, fixes build warning

Server/pom.xml

@@ -93,6 +93,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-install-plugin</artifactId>
+        <version>3.0.1</version>
         <executions>
           <execution>
             <id>install-consts</id>
@@ -132,7 +133,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-assembly-plugin</artifactId>
-        <version>3.1.1</version>
+        <version>3.4.2</version>
 
         <configuration>
           <descriptorRefs>
@@ -185,8 +186,9 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.5.1</version>
+        <version>3.10.1</version>
         <configuration>
+          <maxmem>1024m</maxmem>
           <useIncrementalCompilation>false</useIncrementalCompilation>
         </configuration>
         <executions>