fix: change slug into the neon slug

Author: Karin

src/commands/database/constants.ts

@@ -1,3 +1,3 @@
-export const NEON_DATABASE_EXTENSION_SLUG = process.env.NEON_DATABASE_EXTENSION_SLUG ?? '7jjmnqyo-netlify-neon'
+export const NEON_DATABASE_EXTENSION_SLUG = process.env.NEON_DATABASE_EXTENSION_SLUG ?? 'neon'
 export const JIGSAW_URL = process.env.JIGSAW_URL ?? 'https://api.netlifysdk.com'
 export const NETLIFY_WEB_UI = process.env.NETLIFY_WEB_UI ?? 'https://app.netlify.com'