fix: todolist-goof/todolist-web-struts/pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHELOGGINGLOG4J-2314720

Author: snyk-bot

todolist-goof/todolist-web-struts/pom.xml

@@ -27,7 +27,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.7</version>
+            <version>2.12.2</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>