fix(package): run render:html on prepack (#11368)

* fix(npm-published-simulation): curl with --fail

* fix(package): run render:html on prepack

Ensures that `index.html` files are built and packaged.

Author: caugner

Diff for: .github/workflows/npm-published-simulation.yml

@@ -91,8 +91,8 @@ jobs:
           curl --retry-connrefused --retry 5 -I http://localhost:5042
 
           # Basically, test if it 200 OKs. If not, this'll exit non-zero.
-          curl http://localhost:5042/en-US/ > /dev/null
-          curl http://localhost:5042/en-US/docs/MDN/Kitchensink > /dev/null
+          curl --fail http://localhost:5042/en-US/ > /dev/null
+          curl --fail http://localhost:5042/en-US/docs/MDN/Kitchensink > /dev/null
 
       - name: Test viewing the dev server
         env:

Diff for: package.json

@@ -36,7 +36,7 @@
     "install:all:npm": "find . -mindepth 2 -name 'package-lock.json' ! -wholename '**/node_modules/**' -print0 | xargs -n1 -0 sh -cx 'npm --prefix $(dirname $0) install'",
     "jest": "node --experimental-vm-modules --expose-gc ./node_modules/.bin/jest --logHeapUsage",
     "m2h": "cross-env NODE_OPTIONS='--no-warnings=ExperimentalWarning --loader ts-node/esm' node markdown/m2h/cli.ts",
-    "prepack": "yarn build:dist",
+    "prepack": "yarn render:html && yarn build:dist",
     "prepare": "(husky || true) && yarn install:all && yarn install:all:npm",
     "prettier-check": "prettier --check .",
     "prettier-format": "prettier --write .",