[PM-30551] Fix: Lint only *.ts and *.vue files

[stopflunky]

Description

This PR fixes an issue where the lint script was unintentionally
checking .js files in addition to .ts and .vue files.

Changes

• Modified lint script in package.json to exclude *.js files
• Modified lint:check script in package.json to exclude *.js files

Testing

• Ran yarn run lint successfully - all files pass linting
• Ran yarn run dev - site builds and runs correctly on localhost:8080

Fixes #135

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[bitwarden-bot]

Thank you for your contribution! We've added this to our internal tracking system for review.
ID: PM-30551
Link: https://bitwarden.atlassian.net/browse/PM-30551

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