Cherry-picks for 2.12.3-RC.2 (#7617) #3848

Job	Run time
Build (Latest Go)	44s
Lint	1m 11s
Build (Minimum Go)	44s
Sign-offs	14s
Build (Minimum Go, windows-2022)	50s
Build (Minimum Go, windows-2025)	1m 13s
Test Stores	4m 54s
Test JetStream	6m 34s
Test Raft	5m 40s
Test JWT	3m 52s
Test MQTT	1m 36s
Test JetStream Cluster 1	6m 27s
Test No-Race 2	3m 55s
Test JetStream Consumers	3m 12s
Test Message Tracing	1m 24s
Test JetStream Cluster 4	8m 12s
Test JetStream Cluster 3	5m 29s
Test JetStream Cluster 2	7m 4s
Test No-Race 1	6m 43s
Test JetStream Supercluster	4m 58s
Test Remaining Server Tests	7m 17s
Test Other Packages	4m 59s
	1h 27m 12s

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