Proxy not working with WebDriver / Selenium

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**Describe the bug**
I’m using ChangeDetection.io with WebDriver and a proxy. I set both the `HTTP_PROXY` ENV and the `HTTPS_PROXY` ENV to `http://192.168.31.72:7890`. However, when ChangeDetection.io checks a website that requires the proxy I set, the website cannot be loaded. The `chrome://version` page says the `Command Line` has a `--proxy-server=http=http://192.168.31.72:7890` flag. Maybe it should be `--proxy-server=http://192.168.31.72:7890` without the `http=` in the middle? I don’t know.

**Version**
*Exact version* in the top right area: v0.45.26

**To Reproduce**

Steps to reproduce the behavior:
1. Set `HTTP_PROXY` and `HTTPS_PROXY`
2. Use WebDriver to check a website

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**Expected behavior**
The website loads without problem.

**Screenshots**

**Additional context**
Using the `linuxserver/changedetection.io:latest` image with `11c742d806bf` as digest.
Using the `selenium/standalone-chrome:latest` image with `23bfbbcc1301` as digest.