Updating okhttpclient to 4.9.1

There are quite a few fixes esp those related to HTTP/2 in okhttpclient.

Author: aaruna

pom.xml

@@ -49,7 +49,7 @@
     <bouncycastle.version>1.68</bouncycastle.version>
     <gson.version>2.8.6</gson.version>
     <jsr305.version>3.0.2</jsr305.version>
-    <okhttp3.version>3.14.9</okhttp3.version>
+    <okhttp3.version>4.9.1</okhttp3.version>
     <swagger-core.version>1.6.2</swagger-core.version>
     <sundrio.version>0.22.1</sundrio.version>
     <gsonfire.version>1.8.5</gsonfire.version>