core: Command Line error 2021.4.0b5

The problem

Getting an error with command line sensor with latest beta

What is version of Home Assistant Core has the issue?

2021.4.0b5

What was the last working version of Home Assistant Core?

2021.4.0b4

What type of installation are you running?

Home Assistant Supervised

Integration causing the issue

No response

Link to integration documentation on our website

https://www.home-assistant.io/integrations/sensor.command_line/

Example YAML snippet

- platform: command_line
    name: "WAN IP Address"
    command: wget -qO- https://ipv6.icanhazip.com/

### Anything in the logs that might be useful for us?

```txt
2021-04-07 09:00:41 ERROR (SyncWorker_35) [homeassistant.components.command_line] Command failed: wget -qO- https://ipv6.icanhazip.com/
2021-04-07 09:01:41 ERROR (SyncWorker_4) [homeassistant.components.command_line] Command failed: wget -qO- https://ipv6.icanhazip.com/
2021-04-07 09:02:41 ERROR (SyncWorker_1) [homeassistant.components.command_line] Command failed: wget -qO- https://ipv6.icanhazip.com/
2021-04-07 09:03:41 ERROR (SyncWorker_13) [homeassistant.components.command_line] Command failed: wget -qO- https://ipv6.icanhazip.com/
2021-04-07 09:04:41 ERROR (SyncWorker_47) [homeassistant.components.command_line] Command failed: wget -qO- https://ipv6.icanhazip.com/