Bump log4j-core from 2.17.0 to 2.17.1 in /sample

Bumps log4j-core from 2.17.0 to 2.17.1.

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:production
...

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Author: dependabot[bot]

sample/pom.xml

@@ -12,7 +12,7 @@
 
     <properties>
         <tomcat.version>8.0.39</tomcat.version>
-        <log4j2.version>2.17.0</log4j2.version>
+        <log4j2.version>2.17.1</log4j2.version>
         <logback.version>1.1.3</logback.version>
         <jackson.version>2.5.4</jackson.version>
         <slf4j.version>1.7.12</slf4j.version>