build(deps): bump com.fasterxml.jackson.core:jackson-core

Bumps [com.fasterxml.jackson.core:jackson-core](https://github.com/FasterXML/jackson-core) from 2.19.2 to 2.21.1.
- [Commits](FasterXML/jackson-core@jackson-core-2.19.2...jackson-core-2.21.1)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-core
  dependency-version: 2.21.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

samples/client/echo_api/java/resttemplate/pom.xml

@@ -274,7 +274,7 @@
     </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <jackson-version>2.19.2</jackson-version>
+        <jackson-version>2.21.1</jackson-version>
         <jackson-databind-version>2.19.2</jackson-databind-version>
         <jackson-databind-nullable-version>0.2.9</jackson-databind-nullable-version>
         <spring-web-version>5.3.33</spring-web-version>