Update extension bundle and DurableTask settings

Set extensionBundle version to start from 4.26.0. Added DurableTask defaultVersion, versionMatchStrategy, and versionFailureStrategy for stricter version control.

Author: JohnDuprey

host.json

@@ -5,7 +5,7 @@
   },
   "extensionBundle": {
     "id": "Microsoft.Azure.Functions.ExtensionBundle",
-    "version": "[4.*, 5.0.0)"
+    "version": "[4.26.0, 5.0.0)"
   },
   "functionTimeout": "00:10:00",
   "extensions": {
@@ -15,7 +15,10 @@
       "tracing": {
         "distributedTracingEnabled": false,
         "version": "None"
-      }
+      },
+      "defaultVersion": "8.7.0",
+      "versionMatchStrategy": "Strict",
+      "versionFailureStrategy": "Fail"
     }
   }
 }