Update Khepri from 0.16.0 to 0.17.0

... and khepri_mnesia_migration from 0.7.2 to 0.8.0.

Release notes:
* https://github.com/rabbitmq/khepri/releases/tag/v0.17.0
* https://github.com/rabbitmq/khepri_mnesia_migration/releases/tag/v0.8.0

Author: the-mikedavis

rabbitmq-components.mk

@@ -46,8 +46,8 @@ dep_credentials_obfuscation = hex 3.5.0
 dep_cuttlefish = hex 3.4.0
 dep_gen_batch_server = hex 0.8.8
 dep_jose = hex 1.11.10
-dep_khepri = hex 0.16.0
-dep_khepri_mnesia_migration = hex 0.7.2
+dep_khepri = git https://github.com/rabbitmq/khepri 7ab4b57616a15b6152ff7a96ddae75754b37a0dd
+dep_khepri_mnesia_migration = git https://github.com/rabbitmq/khepri_mnesia_migration 3e71b069109808daf555deab4bbf1832ab435dfe
 dep_meck = hex 1.0.0
 dep_osiris = git https://github.com/rabbitmq/osiris v1.8.6
 dep_prometheus = hex 4.11.0