Bump maven-source-plugin (#1214)

Author: dependabot[bot]

plugins/maven/graphql-java-codegen-maven-plugin/pom.xml

@@ -62,7 +62,7 @@
         <version.maven-plugin-plugin>3.8.2</version.maven-plugin-plugin>
         <version.maven-compiler-plugin>3.11.0</version.maven-compiler-plugin>
         <version.maven-resources-plugin>3.3.1</version.maven-resources-plugin>
-        <version.maven-source-plugin>3.2.1</version.maven-source-plugin>
+        <version.maven-source-plugin>3.3.0</version.maven-source-plugin>
         <version.maven-javadoc-plugin>3.5.0</version.maven-javadoc-plugin>
         <version.maven-deploy-plugin>3.1.1</version.maven-deploy-plugin>
         <version.nexus-staging-maven-plugin>1.6.13</version.nexus-staging-maven-plugin>