Update bouncy castle to 2.3.1 (#306) #1260

Job	Run time
test / EventStore.Client.Streams/ubuntu-latest/net6.0/ci	12m 52s
test / EventStore.Client.PersistentSubscriptions/ubuntu-latest/net6.0/ci	9m 29s
test / EventStore.Client.Operations/ubuntu-latest/net6.0/ci	2m 21s
test / EventStore.Client.UserManagement/ubuntu-latest/net6.0/ci	2m 48s
test / EventStore.Client.ProjectionManagement/ubuntu-latest/net6.0/ci	1m 38s
test / EventStore.Client.Streams/ubuntu-latest/net7.0/ci	10m 43s
test / EventStore.Client.PersistentSubscriptions/ubuntu-latest/net7.0/ci	9m 39s
test / EventStore.Client.Operations/ubuntu-latest/net7.0/ci	2m 32s
test / EventStore.Client.UserManagement/ubuntu-latest/net7.0/ci	2m 21s
test / EventStore.Client.ProjectionManagement/ubuntu-latest/net7.0/ci	1m 24s
test / EventStore.Client.Streams/ubuntu-latest/net8.0/ci	11m 24s
test / EventStore.Client.PersistentSubscriptions/ubuntu-latest/net8.0/ci	9m 7s
test / EventStore.Client.Operations/ubuntu-latest/net8.0/ci	2m 13s
test / EventStore.Client.UserManagement/ubuntu-latest/net8.0/ci	3m 43s
test / EventStore.Client.ProjectionManagement/ubuntu-latest/net8.0/ci	1m 28s
	1h 23m 42s

Provide feedback