fix(deps): update dependency com.squareup.okhttp3:okhttp to v4.12.0 (#503)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

providers/flagsmith/pom.xml

@@ -36,7 +36,7 @@
         <dependency>
             <groupId>com.squareup.okhttp3</groupId>
             <artifactId>okhttp</artifactId>
-            <version>4.11.0</version>
+            <version>4.12.0</version>
         </dependency>
 
         <!-- test -->

providers/go-feature-flag/pom.xml

@@ -46,7 +46,7 @@
         <dependency>
             <groupId>com.squareup.okhttp3</groupId>
             <artifactId>okhttp</artifactId>
-            <version>4.11.0</version>
+            <version>4.12.0</version>
         </dependency>
 
         <dependency>