chore(deps): Javax JSON to Jakarta JSON

Move to Quarkus 3.x Beta for updating to Jakarta version of the libraries. That means moving away from org.glassfish:java.json to jakarta.json:jakarta.json-api.

The new version will be released as v6.0.0. Any changes should go to both 5.x and 6.x versions until Quarkus 3.x is Final and javax.json is finally history.

Points:
- We might want to change the Import Order to include Jakarta.
- We might want to move from Javax to Jakarta for annotation, ws etc. in the examples.
diff --git a/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/LogEntry.java b/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/LogEntry.java
index dec18b2..69ebc93 100644
--- a/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/LogEntry.java
+++ b/core/src/main/java/eu/mulk/quarkus/googlecloud/jsonlogging/LogEntry.java
@@ -8,9 +8,9 @@
 import java.time.Instant;
 import java.util.List;
 import java.util.Map;
-import javax.json.Json;
-import javax.json.JsonObject;
-import javax.json.JsonObjectBuilder;
+import jakarta.json.Json;
+import jakarta.json.JsonObject;
+import jakarta.json.JsonObjectBuilder;
 
 /**
  * A JSON log entry compatible with Google Cloud Logging.