Error: push failed: git error:the SSL certificate is invalid; class=Ssl (16); code=Certificate (-17)

The error

```
push failed:
git error:the SSL certificate is invalid; class=Ssl (16); code=Certificate (-17)
```
comes up whenever I try to push by pressing _p_.

**To Reproduce**
1. Load Git project
2. Press _p_

**Context (please complete the following information):**
- OS/Distro + Version: [e.g. `macOS 10.15.5`]
- GitUI Version [e.g. `0.5`]
- Rust version: [e.g `1.44`]

**Additional context**
Windows 10 Home, Version: 22H2.
gitui nightly 2024-06-03 (https://github.com/extrawurst/gitui/commit/95e1d4d4324bf1eab34f8100afc7f3ae7e435252)
Installed by MSYS2 Pacman.

This is my first time trying to do this - a push.
I am completely new to this program and do not have the default Git installed on my PC.