Sync up session specs (#1547)

Author: NathanQingyangXu

driver-core/src/test/resources/unified-test-format/sessions/driver-sessions-dirty-session-errors.json

@@ -11,7 +11,7 @@
     {
       "minServerVersion": "4.1.8",
       "topologies": [
-        "sharded-replicaset"
+        "sharded"
       ]
     }
   ],

driver-core/src/test/resources/unified-test-format/sessions/snapshot-sessions-unsupported-ops.json

@@ -6,7 +6,7 @@
       "minServerVersion": "5.0",
       "topologies": [
         "replicaset",
-        "sharded-replicaset"
+        "sharded"
       ]
     }
   ],

driver-core/src/test/resources/unified-test-format/sessions/snapshot-sessions.json

@@ -6,7 +6,7 @@
       "minServerVersion": "5.0",
       "topologies": [
         "replicaset",
-        "sharded-replicaset"
+        "sharded"
       ]
     }
   ],