Update performance-tips.md (#29543)

My apologies if this small edit is somewhere else waiting to be merged. I couldn't find it...

(cherry picked from commit 62e9ba4)

doc/src/manual/performance-tips.md

@@ -1091,7 +1091,7 @@ using Distributed
 responses = Vector{Any}(undef, nworkers())
 @sync begin
     for (idx, pid) in enumerate(workers())
-        @async responses[idx] = remotecall_fetch(pid, foo, args...)
+        @async responses[idx] = remotecall_fetch(foo, pid, args...)
     end
 end
 ```