docs: fix typo in instructions for setting podman-host path (#812)

`podman-exec` should be `podman-host` in this instruction

```
Open VSCode settings (Ctrl+,) and head to `Remote>Containers>Docker Path` and
set it to the path of `podman-exec`, like in the example
```
This commit is contained in:
bitestring
2023-06-23 14:17:03 +02:00
committed by GitHub
parent ba54585594
commit d3a482f276
+1 -1
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@@ -93,7 +93,7 @@ flatpak-spawn --host podman "${arr[@]}"
and make it executable: `chmod +x ~/.local/bin/podman-host`.
Open VSCode settings (Ctrl+,) and head to `Remote>Containers>Docker Path` and
set it to the path of `podman-exec`, like in the example
set it to the path of `podman-host`, like in the example
![image](https://user-images.githubusercontent.com/598882/149208525-5ad630c9-fcbc-4ee6-9d77-e50d2c782a56.png)