Update dependency org.eolang:eo-maven-plugin to v0.29.6

Author: renovate[bot]

pom.xml

@@ -148,7 +148,7 @@ SOFTWARE.
       <plugin>
         <groupId>org.eolang</groupId>
         <artifactId>eo-maven-plugin</artifactId>
-        <version>0.28.11</version>
+        <version>0.29.6</version>
         <executions>
           <execution>
             <id>test-compile</id>