upgrade json-smart
fixes
<jersey-sun.version>1.19.4</jersey-sun.version><!-- Spark -->
<jetty.version>${jetty9-version}</jetty.version>
<jnr-ffi.version>2.1.2</jnr-ffi.version><!-- Mess in web3j transitive deps -->
- <json-smart.version>2.4.2</json-smart.version>
+ <json-smart.version>2.4.7</json-smart.version>
<kafka.version>2.5.0</kafka.version>
<kudu.version>${kudu-version}</kudu.version><!-- keep in sync with Camel -->
<kotlin.version>1.4.32</kotlin.version><!-- keep in sync with Quarkus -->
