build(deps): bump log4j-core in /examples/JDBC/taosdemo (#16065)

Bumps log4j-core from 2.14.1 to 2.17.1.

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:production
...
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examples/JDBC/taosdemo/pom.xml

@@ -88,7 +88,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.14.1</version>
+            <version>2.17.1</version>
         </dependency>
         <!-- junit -->
         <dependency>