Bump version to 8.1.7 (#5900) #3776

Job	Run time
ruby-3.2 driver-current mongodb-6.0 replica_set	12m 5s
ruby-3.1 driver-current mongodb-6.0 replica_set	13m 1s
ruby-3.0 driver-current mongodb-6.0 replica_set	13m 3s
ruby-3.1 driver-master mongodb-6.0 replica_set	12m 51s
ruby-3.0 driver-stable mongodb-6.0 replica_set	12m 41s
ruby-3.3 driver-current mongodb-7.0 server	10m 42s
ruby-3.2 driver-current mongodb-7.0 server	10m 57s
ruby-3.2 driver-current mongodb-7.0 server	11m 12s
ruby-3.1 driver-current mongodb-7.0 server	11m 27s
ruby-3.1 driver-current mongodb-6.0 server	11m 6s
ruby-3.0 driver-current mongodb-6.0 server	11m 4s
ruby-3.0 driver-current mongodb-6.0 server	11m 6s
ruby-2.7 driver-current mongodb-6.0 server	10m 39s
jruby-9.3 driver-current mongodb-6.0 server	19m 10s
ruby-3.1 driver-current mongodb-5.0 replica_set	13m 13s
ruby-2.7 driver-current mongodb-4.4 replica_set	12m 33s
	3h 16m 50s

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