Install libpcap for core in devcontainers

[steverep]

Proposed change

aiohttp complains about this missing library when running core script. I've always installed manually but this is better obviously.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (thank you!)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Example configuration

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue or discussion:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

[silamon]

I never noticed that. The only thing that I miss is the backend translations from integrations which I can add with:
(cd "$HOME/src/homeassistant" && python3 -m script.translations develop --all)

[steverep]

I never noticed that. The only thing that I miss is the backend translations from integrations which I can add with: (cd "$HOME/src/homeassistant" && python3 -m script.translations develop --all)

We could add that to the core script.