Upgrade plexus-compiler version to 2.8.8

Change-Id: I827da3973f489b03f9321b065dfb96ad7c29e270
Signed-off-by: Marco Miller <marco.miller@ericsson.com>
diff --git a/pom.xml b/pom.xml
index d102b3f..ca0f61c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -178,7 +178,7 @@
     <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>