[fix] Update to Spring 5.3 and Nuiton config 3.4

duniter4j-client/pom.xml

duniter4j-core-client/pom.xml

...in/java/org/duniter/core/client/config/Configuration.java

...a/org/duniter/core/client/config/ConfigurationOption.java

...c/main/java/org/duniter/core/client/model/ModelUtils.java

.../duniter/core/client/model/elasticsearch/UserProfile.java

...ter/core/client/util/spring/ConfigurableEnvironments.java

...ain/resources/i18n/duniter4j-core-client_en_GB.properties

...ain/resources/i18n/duniter4j-core-client_fr_FR.properties

pom.xml