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Add bounded follower reads and parallel task acceptance #44

Job	Run time
Check repository rules	8s
Test code analyzers	5m 31s
Qualify KL-014 (scalar caller)	12m 22s
Test three-node database	2h 4m 15s
Qualify KL-011 (normal caller)	9m 22s
Qualify KL-015 (scalar caller)	10m 26s
Qualify KL-014 (normal caller)	11m 3s
Qualify KL-015 (normal caller)	9m 52s
Qualify KL-011 (scalar caller)	7m 24s
Build and test KeyLoad (ubuntu-latest)	28m 51s
	3h 39m 14s