chore: move node options into npm script

I wanted to cut another RC to potentially close
* #1420
* #1398
* #1397

but the release is erroring at the test because of the memory limit
so I moved the increased memory limit node options into the npm script
rather than the Kubernetes Javascript Client - Validation workflow

.github/workflows/test.yml

@@ -24,7 +24,5 @@ jobs:
       - run: node version-check.js
       - run: npm ci
       - run: npm test
-        env:
-          NODE_OPTIONS: --max-old-space-size=8192
       - run: npm run lint
       - run: npm audit --audit-level=critical

package.json

@@ -24,7 +24,7 @@
         "build": "tsc",
         "generate": "./generate-client.sh",
         "watch": "tsc --watch",
-        "test": "nyc mocha",
+        "test": "NODE_OPTIONS='--max-old-space-size=8192' nyc mocha",
         "prepare": "npm run build && husky install",
         "prepack": "npm run build",
         "docs": "typedoc src/gen/api"