Bump Newtonsoft.Json and NSwag.Core #2468

Job	Run time
Integration OpenSearch (2.16.0)	6m 55s
Integration OpenSearch Unreleased (1.x, 11)	4m 17s
Integration OpenSearch (2.14.0)	7m 14s
Integration OpenSearch Unreleased (2.x, 17)	10m 23s
Integration OpenSearch (2.12.0)	7m 50s
Integration OpenSearch Unreleased (main, 21)	11m 19s
Integration OpenSearch (2.10.0)	6m 40s
Integration OpenSearch (2.8.0)	6m 49s
Integration OpenSearch (2.6.0)	5m 15s
Integration OpenSearch (2.4.1)	5m 6s
Integration OpenSearch (2.2.1)	4m 22s
Integration OpenSearch (2.0.1)	4m 34s
Integration OpenSearch (1.3.14)	4m 25s
Integration OpenSearch (1.2.4)	4m 32s
Integration OpenSearch (1.1.0)	4m 16s
	1h 33m 57s

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