fix: gyp errors

Author: Neerajpathak07

lib/node_modules/@stdlib/number/float32/base/signbit/manifest.json

@@ -27,6 +27,8 @@
   ],
   "confs": [
     {
+      "task": "build",
+      "wasm": false,
       "src": [
         "./src/main.c"
       ],
@@ -56,7 +58,7 @@
     },
     {
       "task": "examples",
-	  "wasm": false,
+	  "wasm": true,
       "src": [
         "./src/main.c"
       ],