dx new not support git proxy with socks5

**Problem**

I have setting of git http.proxy with socks5. When I run dx new, it gives me the following error:
```
ERROR dx new: Please check if the Git user / repository exists.

Caused by:
unknown http scheme 'socks5'; class=Http (34)
```

**Steps To Reproduce**

Steps to reproduce the behavior:

- install dx with cargo install dioxus-cli, for me it's v0.7.3.
- set git proxy: git config --global http.proxy socks5://x.x.x.x:10800
- then run: dx new mydemo

**Expected behavior**

able to create project

**Environment:**

- Dioxus version: v0.7.3
- Rust version: 1.90.0
- OS info: ubuntu
- App platform: linux