Move cmake-ts and node-addon-api to optionalDependencies

This allows this package to be used as a dependency (in built form) even when the compilation tools can't be installed.

package.json

@@ -18,10 +18,6 @@
     "url": "https://github.com/zeromq/zeromq.js.git"
   },
   "homepage": "http://zeromq.github.io/zeromq.js/",
-  "dependencies": {
-    "@aminya/cmake-ts": "^0.3.0-aminya.7",
-    "node-addon-api": "^8.3.0"
-  },
   "devDependencies": {
     "@types/benchmark": "~2.1.5",
     "@types/chai": "^4",
@@ -66,6 +62,10 @@
     "typescript": "~4.9.5",
     "which": "^5.0.0"
   },
+  "optionalDependencies": {
+    "@aminya/cmake-ts": "0.3.0-aminya.7",
+    "node-addon-api": "^8.3.0"
+  },
   "pnpm": {
     "overrides": {
       "typescript": "~4.9.5",
@@ -246,4 +246,4 @@
   ],
   "license": "MIT AND MPL-2.0",
   "author": "Amin Yahyaabadi <[email protected]>, Rolf Timmermans <[email protected]>"
-}
+}