Update bouncy castle to 2.3.1 (#306) #1261

Job	Run time
test / EventStore.Client.Streams/ubuntu-latest/net6.0/ci	11m 28s
test / EventStore.Client.PersistentSubscriptions/ubuntu-latest/net6.0/ci	9m 35s
test / EventStore.Client.Operations/ubuntu-latest/net6.0/ci	2m 9s
test / EventStore.Client.UserManagement/ubuntu-latest/net6.0/ci	2m 27s
test / EventStore.Client.ProjectionManagement/ubuntu-latest/net6.0/ci	1m 49s
test / EventStore.Client.Streams/ubuntu-latest/net7.0/ci	10m 44s
test / EventStore.Client.PersistentSubscriptions/ubuntu-latest/net7.0/ci	9m 44s
test / EventStore.Client.Operations/ubuntu-latest/net7.0/ci	2m 15s
test / EventStore.Client.UserManagement/ubuntu-latest/net7.0/ci	2m 13s
test / EventStore.Client.ProjectionManagement/ubuntu-latest/net7.0/ci	1m 36s
test / EventStore.Client.Streams/ubuntu-latest/net8.0/ci	11m 31s
test / EventStore.Client.PersistentSubscriptions/ubuntu-latest/net8.0/ci	9m 13s
test / EventStore.Client.Operations/ubuntu-latest/net8.0/ci	1m 56s
test / EventStore.Client.UserManagement/ubuntu-latest/net8.0/ci	2m 48s
test / EventStore.Client.ProjectionManagement/ubuntu-latest/net8.0/ci	1m 32s
	1h 21m 0s

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