resync mongos-pin-auto.js test

Include `runOnRequirements` to skip server versions less than 8.0

Author: kevinAlbs

src/libmongoc/tests/json/transactions/unified/mongos-pin-auto.json

@@ -2095,6 +2095,11 @@
             }
           ]
         }
+      ],
+      "runOnRequirements": [
+        {
+          "minServerVersion": "8.0"
+        }
       ]
     },
     {
@@ -5360,6 +5365,11 @@
             }
           ]
         }
+      ],
+      "runOnRequirements": [
+        {
+          "minServerVersion": "8.0"
+        }
       ]
     },
     {
@@ -5453,6 +5463,11 @@
             }
           ]
         }
+      ],
+      "runOnRequirements": [
+        {
+          "minServerVersion": "8.0"
+        }
       ]
     }
   ]