KOGITO-5807 Public API: Share ObjectMapper instances with Quarkus

we probably can share internal object mapper that already exists in other places, mainly to do data conversion, see

kogito-runtimes/jbpm/jbpm-flow/src/main/java/org/jbpm/process/core/transformation/JsonResolver.java
Line 37 in 3283958
private final ObjectMapper objectMapper;

kogito-runtimes/jbpm/jbpm-flow/src/main/java/org/jbpm/process/instance/impl/util/TypeTransformer.java
Line 36 in fdc2739
private ObjectMapper mapper;

kogito-runtimes/jbpm/jbpm-flow/src/main/java/org/jbpm/util/JsonSchemaUtil.java
Line 43 in 22195a1
private static ObjectMapper mapper = new ObjectMapper();

kogito-runtimes/kogito-codegen-modules/kogito-codegen-processes/src/main/java/org/kie/kogito/codegen/process/persistence/proto/AbstractProtoGenerator.java
Line 36 in f855f1d
protected final ObjectMapper mapper;