chore: bump astro + vite version (#65)

### Description
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[adds/removes/fixes/replaces] the [feature/bug/etc] -->

This Pull Request upgrades the `astro` lib which imperatively upgrade
the `vitejs` dependencies.

#### Changes Made

- Updated the `astro` dependency which in turn upgraded `vite`; this was
an imperative step to take following the dependabot report on security
vulnerability on the currently installed `vite` version
- Made tiny change to fix the heading section of the `dev/setup` script
README
- Removed the `driver.js` npm package which was mistakenly migrated to
this current change branch from the
[whirl](https://github.com/babblebey/jargons.dev/tree/whirl) branch

📖 

### Related Issue
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#123 or Resolves #123 -->

_NA_

### Screenshots/Screencasts
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changes (especially if it's a visual change) -->

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### Notes to Reviewer
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information that can help reviewer better review you changes -->

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Author: babblebey

dev/README.md

@@ -1,4 +1,4 @@
-### <tt>jargons.dev</tt> Dev Setup Script
+# <tt>jargons.dev</tt> Dev Setup Script
 
 This script streamlines the process of creating a GitHub App required to run jargons.dev locally and sets up the environment file (.env) for you. Here's how to use it: