Update spec test suite submodule (bytecodealliance#1740)

Nothing major here, just minor updates

Author: alexcrichton

tests/snapshots/testsuite/float_exprs.wast.json

@@ -1,11 +1,20 @@
 (module
   (type (;0;) (func (param f64 f32) (result f32)))
+  (type (;1;) (func (param f32 f64) (result f32)))
   (func (;0;) (type 0) (param $x f64) (param $y f32) (result f32)
     local.get $x
     local.get $y
     f64.promote_f32
     f64.sub
     f32.demote_f64
   )
+  (func (;1;) (type 1) (param $y f32) (param $x f64) (result f32)
+    local.get $y
+    f64.promote_f32
+    local.get $x
+    f64.sub
+    f32.demote_f64
+  )
   (export "no_demote_mixed_sub" (func 0))
+  (export "no_demote_mixed_sub_commuted" (func 1))
 )

tests/snapshots/testsuite/float_exprs.wast/319.print

@@ -0,0 +1,20 @@
+(module
+  (type (;0;) (func (param f64 f32) (result f32)))
+  (type (;1;) (func (param f32 f64) (result f32)))
+  (func (;0;) (type 0) (param $x f64) (param $y f32) (result f32)
+    local.get $x
+    local.get $y
+    f64.promote_f32
+    f64.mul
+    f32.demote_f64
+  )
+  (func (;1;) (type 1) (param $y f32) (param $x f64) (result f32)
+    local.get $y
+    f64.promote_f32
+    local.get $x
+    f64.mul
+    f32.demote_f64
+  )
+  (export "no_demote_mixed_mul" (func 0))
+  (export "no_demote_mixed_mul_commuted" (func 1))
+)

tests/snapshots/testsuite/float_exprs.wast/330.print

@@ -0,0 +1,20 @@
+(module
+  (type (;0;) (func (param f64 f32) (result f32)))
+  (type (;1;) (func (param f32 f64) (result f32)))
+  (func (;0;) (type 0) (param $x f64) (param $y f32) (result f32)
+    local.get $x
+    local.get $y
+    f64.promote_f32
+    f64.div
+    f32.demote_f64
+  )
+  (func (;1;) (type 1) (param $y f32) (param $x f64) (result f32)
+    local.get $y
+    f64.promote_f32
+    local.get $x
+    f64.div
+    f32.demote_f64
+  )
+  (export "no_demote_mixed_div" (func 0))
+  (export "no_demote_mixed_div_commuted" (func 1))
+)