Security update: Patch vulnerability related to okhttp3 dep CVE-2021-…

…0341

This should fix the critical vulnerability ( CVE-2021-0341) found in the "okhttp3" dependency.
Okhttp3 changelog: https://square.github.io/okhttp/changelogs/changelog_4x/
Vuln info: https://nvd.nist.gov/vuln/detail/CVE-2021-0341
Okhttp3 fix pr: square/okhttp#6740

pom.xml

@@ -216,7 +216,7 @@
         <dependency>
             <groupId>com.squareup.okhttp3</groupId>
             <artifactId>okhttp</artifactId>
-            <version>4.9.1</version>
+            <version>4.9.3</version>
         </dependency>
 
         <dependency>