update package version

Breaking version change ot 0.19.0 because of removal of AoT feature due
to StarlngMonkey not supporting weval any longer.

Signed-off-by: Karthik Ganeshram <karthik.ganeshram@fermyon.com>

Author: karthik2804

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@bytecodealliance/componentize-js",
-  "version": "0.18.4",
+  "version": "0.19.0",
   "homepage": "https://github.com/bytecodealliance/componentize-js#readme",
   "description": "ESM -> WebAssembly Component creator, via a SpiderMonkey JS engine embedding",
   "type": "module",