Update dependency org.apache.maven.plugins:maven-source-plugin to v3.3.1

Author: renovate[bot]

pom.xml

@@ -49,7 +49,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <doma.version>2.58.0</doma.version>
         <spring-boot.version>2.7.16</spring-boot.version>
-        <source-plugin.version>3.3.0</source-plugin.version>
+        <source-plugin.version>3.3.1</source-plugin.version>
         <javadoc-plugin.version>3.6.3</javadoc-plugin.version>
         <nexus-staging-plugin.version>1.6.13</nexus-staging-plugin.version>
         <formatter-maven-plugin.version>2.23.0</formatter-maven-plugin.version>