feat: update dependencies and add MinIO integration

- Updated `async-channel` to version 2.5.0 and added new dependencies in `Cargo.lock`.
- Introduced `minio` crate for file upload functionality.
- Added `career_status` field to user-related DTOs and schemas.
- Implemented file upload endpoint in `users_controller.rs` with multipart support.
- Created `MinioService` for handling file uploads to MinIO.
- Updated user seeding and test cases to accommodate new `career_status` field.
- Refactored permissions guard to return user details.

imphnen-backend/src/bin/seed_users.rs

@@ -71,6 +71,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
 			skills: Some(vec!["JavaScript".into(), "React".into(), "Node.js".into()]),
 			experience: None,
 			education: None,
+			career_status: Some("Senior Developer".into()),
 			role: Thing::from(("app_roles", role_id)),
 			created_at: get_iso_date(),
 			updated_at: get_iso_date(),