fix: a non-optional package's install script fails

When a non-optional package is not built successfully, the
package.json, pnpm-lock.yaml and node_modules/.pnpm-lock.yaml
should not be updated.

close #1397
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Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f