Spelling update (#16553)

updated propogating to propagating

website/content/docs/concepts/plugins/task-drivers.mdx

@@ -68,7 +68,7 @@ type Capabilities struct {
 
     // RemoteTasks indicates this driver runs tasks on remote systems
     // instead of locally. The Nomad client can use this information to
-    // adjust behavior such as propogating task handles between allocations
+    // adjust behavior such as propagating task handles between allocations
     // to avoid downtime when a client is lost.
     RemoteTasks bool
 }