Fix linter warning for example

[LaStrada]

What

Fix a linter warning in the example. Also adding this as part of the CI job.

Why

• There is no reason for not checking all examples as well as the airthings_sdk.

References

How to fill this template?

• What: what changed, what do these changes mean? (high level)
• Why: why these changes were made? (business case, technical context, etc.)
• References: Links to Jira tasks, GitHub issues (use Closes #123) and PRs, or related documentation for context.

Use bullet points to be concise and to the point.

Expand this for infrastructure updates via Atlantis

• Only atlantis can merge PRs in this repo, and it does so after automatically updating the github configuration, teams
  and repos.
• Make sure your branch is up-to-date with main before running atlantis plan -p "production" and atlantis apply