Bump org.apache.logging.log4j:log4j-core in /flink-doris-connector

Bumps org.apache.logging.log4j:log4j-core from 2.17.1 to 2.25.3.

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-version: 2.25.3
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

flink-doris-connector/pom.xml

@@ -94,7 +94,7 @@ under the License.
         <jsqlparser.version>4.9</jsqlparser.version>
         <mysql.driver.version>8.0.26</mysql.driver.version>
         <ojdbc.version>19.3.0.0</ojdbc.version>
-        <log4j.version>2.17.1</log4j.version>
+        <log4j.version>2.25.3</log4j.version>
         <arrow.version>15.0.2</arrow.version>
         <adbc.version>0.12.0</adbc.version>
     </properties>