fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGJSON-5962464
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-6091650
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-6261586
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-6444790
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-6597980

pom.xml

@@ -45,7 +45,7 @@
         <dependency>
             <groupId>com.contentstack.sdk</groupId>
             <artifactId>java</artifactId>
-            <version>1.12.2</version>
+            <version>1.14.0</version>
         </dependency>
         <dependency>
             <groupId>io.github.cdimascio</groupId>