Update deps and tests for anyref --> externref

* Update to using `wasmparser` 0.55.0
* Update wasmprinter to 0.2.5
* Update `wat` to 1.0.18, and `wast` to 17.0.0

tests/misc_testsuite/bulk-memory-operations/elem-ref-null.wast

@@ -1,2 +1,2 @@
 (module
-  (elem funcref (ref.null)))
+  (elem funcref (ref.null func)))

tests/misc_testsuite/threads.wast

@@ -1 +1 @@
-(assert_invalid (module (memory 1 1 shared)) "Unsupported feature: shared memories")
+(assert_invalid (module (memory 1 1 shared)) "threads must be enabled for shared memories")