Add cross env as dev dependency

The npm tests depend on environment variables and `cross-env` helps us
perform it easily.env

Signed-off-by: karthik2804 <karthik.ganeshram@fermyon.com>

Author: karthik2804

package-lock.json

@@ -13,6 +13,7 @@
   },
   "devDependencies": {
     "@bytecodealliance/preview2-shim": "^0.17.1",
+    "cross-env": "^7.0.3",
     "mocha": "^11.1.0"
   },
   "dependencies": {
@@ -31,8 +32,8 @@
     "build:debug": "make debug",
     "test": "mocha -u tdd test/test.js --timeout 120000",
     "test:release": "mocha -u tdd test/test.js --timeout 120000",
-    "test:weval": "WEVAL_TEST=1 mocha -u tdd test/test.js --timeout 120000",
-    "test:debug": "DEBUG_TEST=1 mocha -u tdd test/test.js --timeout 120000",
+    "test:weval": "cross-env WEVAL_TEST=1 mocha -u tdd test/test.js --timeout 120000",
+    "test:debug": "cross-env DEBUG_TEST=1 mocha -u tdd test/test.js --timeout 120000",
     "prepublishOnly": "npm run build"
   },
   "files": [
@@ -48,4 +49,4 @@
   "workspaces": [
     "."
   ]
-}
+}