fix: upgrade com.squareup.retrofit2:retrofit from 2.9.0 to 2.11.0

Snyk has created this PR to upgrade com.squareup.retrofit2:retrofit from 2.9.0 to 2.11.0.

See this package in maven:
com.squareup.retrofit2:retrofit

See this project in Snyk:
https://app.snyk.io/org/contentstack-devex/project/de8c34ec-6ba1-4c9f-a516-65e9cc7c2605?utm_source=github&utm_medium=referral&page=upgrade-pr

pom.xml

@@ -19,7 +19,7 @@
         <maven-javadoc-plugin.version>3.0.0</maven-javadoc-plugin.version>
         <dotenv-source.version>5.2.2</dotenv-source.version>
         <rxjava-source.version>3.1.6</rxjava-source.version>
-        <retrofit-source.version>2.9.0</retrofit-source.version>
+        <retrofit-source.version>2.11.0</retrofit-source.version>
         <converter-gson-version>2.9.0</converter-gson-version>
         <logging.version>4.10.0</logging.version>
         <jococo-plugin.version>0.8.7</jococo-plugin.version>