Update Maven plugins

Author: mrotteveel

CHANGES.md

@@ -5,6 +5,7 @@ Version History
 -----
 - Updated org.testcontainers:jdbc to 1.19.3
 - Updated various test-dependencies
+- Updated Maven build plugins
 
 1.3.0
 -----

pom.xml

@@ -125,7 +125,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-source-plugin</artifactId>
-                        <version>3.2.1</version>
+                        <version>3.3.0</version>
                         <executions>
                             <execution>
                                 <id>attach-sources</id>
@@ -138,7 +138,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>3.4.1</version>
+                        <version>3.6.3</version>
                         <executions>
                             <execution>
                                 <id>attach-javadocs</id>