fix: upgrade com.contentstack.sdk:utils from 1.3.0 to 1.5.0

Snyk has created this PR to upgrade com.contentstack.sdk:utils from 1.3.0 to 1.5.0.

See this package in maven:
com.contentstack.sdk:utils

See this project in Snyk:
https://app.snyk.io/org/contentstack-devex/project/9d1a0a2e-7e56-4c3c-b7a9-b62d7b208d90?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

pom.xml

@@ -36,7 +36,7 @@
         <json-version>20251224</json-version>
         <jacoco-maven-plugin-version>0.8.11</jacoco-maven-plugin-version>
         <maven-release-plugin-version>2.5.3</maven-release-plugin-version>
-        <contentstack-utils-version>1.3.0</contentstack-utils-version>
+        <contentstack-utils-version>1.5.0</contentstack-utils-version>
     </properties>
 
     <!-- Parent POM removed to avoid 403 from Maven Central in CI (Snyk, etc.). -->