upgrade to Gradle 8.3 #1283

Job	Run time
build	5m 19s
cancel-previous-runs	4s
publish	1m 39s
latest-versions-cas	35s
supported-versions-cas-mgmt	1m 2s
supported-versions-cas	1m 34s
Validate CAS Mgmt 6.6.3	3m 3s
Validate CAS Server 6.5.9.2	3s
Validate CAS Server 6.6.10	25m 15s
Validate CAS Server 7.0.0-RC7	24m 16s
Validate Config Server 6.5.9.2	3s
Validate Config Server 6.6.10	2m 41s
Validate Config Server 7.0.0-RC7	2m 47s
Sync CAS Mgmt Server 6.6.3 Branch 6.6	10s
Sync Config Server 6.5.9.2 Branch 6.5	3s
Sync Config Server 6.6.10 Branch 6.6	8s
Sync Config Server 7.0.0-RC7 Branch master	11s
complete	1s
Sync CAS Server 6.5.9.2 Branch 6.5	3s
Sync CAS Server 6.6.10 Branch 6.6	8s
Sync CAS Server 7.0.0-RC7 Branch master	11s
	1h 9m 16s

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