ci(vercel): skip typescript when building for vercel deployment

package.json

@@ -8,6 +8,7 @@
     "rebuild": "gulp build",
     "build": "gulp clean && gulp build && npm run package",
     "build:cli": "lerna run --scope '@sanity/{cli,core,export,import,mutator,resolver,server,util,webpack-loader}' build",
+    "build:js": "gulp js",
     "clean": "gulp clean && lerna clean",
     "publish": "npm run build && lerna publish --exact",
     "publish-canary": "RELEASE_TAG=canary npm run publish-tag",
@@ -50,7 +51,7 @@
     "lint-next": "npm run eslint -- `git diff --name-only next --diff-filter ACMRTUXB`",
     "verify-format": "lerna run clean && npm run prettier -- -c",
     "postinstall": "npm run bootstrap",
-    "vercel-build": "npm run build && cd examples/test-studio && npm run build -- -y",
+    "vercel-build": "npm run build:js && cd examples/test-studio && npm run build -- -y",
     "type-check": "tsc -b ./packages --force",
     "cypress:open": "cypress open --config-file cypress/cypress.json",
     "cypress:run": "cypress run --config-file cypress/cypress.json"