try not blowing the stack

Author: Guannan Wei

benchmarks/wasm/count.wat

@@ -15,10 +15,10 @@
   )
   (func (;1;) (type 1)
     ;; TODO: now setting it to 100K will result in stack overflow
-    i32.const 10000 ;; it will not terminate when it's 1mil
+    i32.const 1000 ;; it will not terminate when it's 1mil
     ;; TODO: this doesn't seem like an error in our semantics
     ;; but something about sbt. But why?
     call 0
   )
   (start 1)
-)
+)

benchmarks/wasm/return_call.wat

@@ -26,8 +26,8 @@
     end
   )
   (func (;2;) (type 1)
-    i64.const 100000
+    i64.const 10000 ;; 100000 seems causing Github CI failed
     call 0
   )
   (start 2)
-)
+)