Add dependency-check.yml Workflow

[naman9271]

Description

Set up a dependency-check.yml workflow for automated weekly dependency updates.

Tasks

• Create .github/workflows/dependency-check.yml
• Enable weekly checks for PHP (Composer) and JS (NPM) packages
• Configure creation of tracking issues
• Enable auto-merge for safe Dependabot updates
• Submit a PR adding the workflow

Goal

Keep dependencies up-to-date and maintain project security.