fix: upgrade com.squareup.retrofit2:retrofit from 2.9.0 to 2.10.0

Snyk has created this PR to upgrade com.squareup.retrofit2:retrofit from 2.9.0 to 2.10.0.

See this package in Maven Repository:
https://mvnrepository.com/artifact/com.squareup.retrofit2/retrofit/

See this project in Snyk:
https://app.snyk.io/org/contentstack-sdk/project/41a63787-0b17-4dcd-892b-e859d45b9670?utm_source=github&utm_medium=referral&page=upgrade-pr

pom.xml

@@ -21,7 +21,7 @@
         <maven-javadoc-plugin.version>3.4.1</maven-javadoc-plugin.version>
         <dotenv-source.version>3.0.0</dotenv-source.version>
         <rxjava-source.version>3.1.8</rxjava-source.version>
-        <retrofit-source.version>2.9.0</retrofit-source.version>
+        <retrofit-source.version>2.10.0</retrofit-source.version>
         <loggin.version>5.0.0-alpha.11</loggin.version>
         <jococo-plugin.version>0.8.5</jococo-plugin.version>
         <lombok-source.version>1.18.30</lombok-source.version>