v0.7.6-rc.1

fix panic (#314)

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## Summary by CodeRabbit


- **Improvements**
  - Enhanced dropdown menus in notification and user list templates by adding explicit `value` attributes to role selection options.
  - Improved form data submission clarity by defining specific values for roles like "Pending", "Rejected", "Intern", "Fellow", "Mod", and "Super".
- **Bug Fixes**
  - Updated validation logic across various forms to enhance error handling and ensure secure password reset processes.
- **Refactor**
  - Transitioned from `garde` to `validator` library for form validation, updating relevant attributes and imports throughout the application.
  - Standardized route parameter syntax across the application for consistency.
- **Documentation**
  - Minor adjustments made to permissions table documentation for clarity regarding user roles and permissions.

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