build: speed up ng-dev config loading by disabling type-checking (#…

…46476)

We perform type-checking as part of a CI check already and shouldn't
do this when loading the `ng-dev` configuration. This would slow-down
some `ng-dev` commands which are used quite often.

PR Close #46476

package.json

@@ -24,7 +24,7 @@
     "/ ": "",
     "postinstall": "node scripts/webdriver-manager-update.js && node --preserve-symlinks --preserve-symlinks-main ./tools/postinstall-patches.js",
     "prepare": "husky install",
-    "ng-dev": "cross-env TS_NODE_PROJECT=$PWD/.ng-dev/tsconfig.json node --no-warnings --loader ts-node/esm node_modules/@angular/dev-infra-private/ng-dev/bundles/cli.mjs",
+    "ng-dev": "cross-env TS_NODE_PROJECT=$PWD/.ng-dev/tsconfig.json TS_NODE_TRANSPILE_ONLY=1 node --no-warnings --loader ts-node/esm node_modules/@angular/dev-infra-private/ng-dev/bundles/cli.mjs",
     "build": "ts-node --esm --project scripts/tsconfig.json scripts/build/build-packages-dist.mts",
     "test": "bazelisk test",
     "test:ci": "bazelisk test -- //... -//devtools/... -//aio/...",