Bump retrofit to fix CVEe (#504)

Co-authored-by: Michael Grosse Huelsewiesche <[email protected]>

Author: shybovycha

pom.xml

@@ -30,7 +30,7 @@
     <java.version>8</java.version>
     <kotlin.version>1.9.0</kotlin.version>
     <spotless.version>2.27.2</spotless.version>
-    <retrofit.version>2.9.0</retrofit.version>
+    <retrofit.version>2.11.0</retrofit.version>
     <auto.version>1.10.1</auto.version>
 
     <findbugs.version>3.0.1</findbugs.version>