fix: upgrade com.squareup.okhttp:okhttp from 2.3.0 to 2.7.5

Snyk has created this PR to upgrade com.squareup.okhttp:okhttp from 2.3.0 to 2.7.5.

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

See this project in Snyk:
https://app.snyk.io/org/gluu-gca/project/a32d84f4-5913-4308-b32c-5310054daf00?utm_source=github&utm_medium=referral&page=upgrade-pr

casa/plugins/stytch/pom.xml

@@ -73,7 +73,7 @@
 		<dependency>
 			<groupId>com.squareup.okhttp</groupId>
 			<artifactId>okhttp</artifactId>
-			<version>2.3.0</version>
+			<version>2.7.5</version>
 			<scope>compile</scope>
 		</dependency>
 	</dependencies>