Update dependency com.commercetools.sdk:commercetools-okhttp-client4 to v17.20.0

Author: renovate[bot]

build.gradle

@@ -35,7 +35,7 @@ ext {
     pmdVersion = '7.7.0'
     jacocoVersion = '0.8.12'
     commercetoolsSyncJava = '10.0.5'
-    httpClientVersion = '17.16.0'
+    httpClientVersion = '17.20.0'
     apacheCliVersion = '1.9.0'
     jupiterApiVersion = '5.11.3'
     logbackVersion = '1.5.12'