validateFieldConfigs json changed

[chcg]

• json returned from validateFieldConfigs changed, added an adaptation to support as fallback also JSONArray as type for publisher
• fixed typo bellow -> below
• fix build issue by going back to previous versions

21:28:39  [ERROR] Failed to execute goal on project JiraTestResultReporter: Could not collect dependencies for project org.jenkins-ci.plugins:JiraTestResultReporter:hpi:269.v2994cd1ed4e6
21:28:39  [ERROR] Failed to read artifact descriptor for com.atlassian.jira:jira-rest-java-client-api:jar:6.0.1
21:28:39  [ERROR] 	Caused by: The following artifacts could not be resolved: com.atlassian.jira:jira-rest-java-client-api:pom:6.0.1 (absent): Could not transfer artifact com.atlassian.jira:jira-rest-java-client-api:pom:6.0.1 from/to aws-eks-internal (http://artifact-caching-proxy.artifact-caching-proxy.svc.cluster.local:8080/): status code: 401, reason phrase:  (401)
21:28:39  [ERROR] Failed to read artifact descriptor for com.atlassian.jira:jira-rest-java-client-core:jar:6.0.1
21:28:39  [ERROR] 	Caused by: The following artifacts could not be resolved: com.atlassian.jira:jira-rest-java-client-core:pom:6.0.1 (absent): Could not transfer artifact com.atlassian.jira:jira-rest-java-client-core:pom:6.0.1 from/to aws-eks-internal (http://artifact-caching-proxy.artifact-caching-proxy.svc.cluster.local:8080/): status code: 401, reason phrase:  (401)
21:28:39  [ERROR] Failed to read artifact descriptor for io.atlassian.fugue:fugue:jar:6.1.2
21:28:39  [ERROR] 	Caused by: The following artifacts could not be resolved: com.atlassian.pom:central-pom:pom:5.0.29 (absent): Could not transfer artifact com.atlassian.pom:central-pom:pom:5.0.29 from/to aws-eks-internal (http://artifact-caching-proxy.artifact-caching-proxy.svc.cluster.local:8080/): status code: 401, reason phrase:  (401)

reverting:
Bump io.atlassian.fugue:fugue from 4.7.2 to 6.1.2 (#209) https://github.com/dependabot[bot]
Bump jira-rest-client.version from 5.2.6 to 6.0.1 (#152) https://github.com/dependabot[bot]

Testing done

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