Update dependency org.eolang:eo-maven-plugin to v0.28.12

Author: renovate[bot]

pom.xml

@@ -311,7 +311,7 @@ SOFTWARE.
     <dependency>
       <groupId>org.eolang</groupId>
       <artifactId>eo-maven-plugin</artifactId>
-      <version>0.28.11</version>
+      <version>0.28.12</version>
       <scope>provided</scope>
     </dependency>
     <dependency>