refactor(cli): parse env using dotenv

[matthewvolk]

What/Why?

Parse environment variable diff using dotenv.parse instead of custom regex expression

Testing

pnpm dev && node ./packages/create-catalyst/dist/index.js integration name

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: b3cc58d63c5665c6aadd9ddbaa62fd66ddf454fd

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ---------------------------- | ----- | | @bigcommerce/create-catalyst | Patch |

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Name	Status	Preview	Comments	Updated (UTC)
catalyst-latest	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 8, 2024 7:19pm

6 Skipped Deployments

| Name | Status | Preview | Comments | Updated (UTC) | | :--- | :----- | :------ | :------- | :------ | | **catalyst** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst/86MZfZw6pyRDNukoae8jHTsnGWww)) | | | Aug 8, 2024 7:19pm | | **catalyst-1millionproducts-store** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst-1millionproducts-store/8PSaaNb6v3p4wtV6oWV4Gjn7bcbj)) | [Visit Preview](https://catalyst-1millionproducts-store-git-ebe867-bigcommerce-platform.vercel.app) | | Aug 8, 2024 7:19pm | | **catalyst-au** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst-au/Hi4zii8SnMvV5fsSfRCEzS7yfg5z)) | [Visit Preview](https://catalyst-au-git-refactor-env-parse-bigcommerce-platform.vercel.app) | | Aug 8, 2024 7:19pm | | **catalyst-test-store** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst-test-store/GhEzku2mtDyM5FJgg6a6zGR4xeQP)) | [Visit Preview](https://catalyst-test-store-git-refactor-env-parse-bigcommerce-platform.vercel.app) | | Aug 8, 2024 7:19pm | | **catalyst-uk** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst-uk/2mG9Cs2xfYgEsGxzykRR7fZAaaVR)) | [Visit Preview](https://catalyst-uk-git-refactor-env-parse-bigcommerce-platform.vercel.app) | | Aug 8, 2024 7:19pm | | **catalyst-unstable** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst-unstable/3PKHB4uvxARfqpFjzXiq8BQtYXoP)) | [Visit Preview](https://catalyst-unstable-git-refactor-env-parse-bigcommerce-platform.vercel.app) | | Aug 8, 2024 7:19pm |

[github-actions[bot]]

⚡️🏠 Lighthouse report

Lighthouse ran against https://catalyst-latest-ebjcmdth2-bigcommerce-platform.vercel.app

🖥️ Desktop

We ran Lighthouse against the changes on a desktop and produced this report. Here's the summary:

Category	Score
🟢 Performance	95
🟢 Accessibility	100
🟢 Best practices	96
🟠 SEO	82

📱 Mobile

We ran Lighthouse against the changes on a mobile and produced this report. Here's the summary:

Category	Score
🟢 Performance	92
🟢 Accessibility	100
🟢 Best practices	96
🟠 SEO	85