CI workflow is flaky

[jacky8hyf]

Describe the bug

CI occasionally fails at apt update && apt install

To Reproduce

N/A; this randomly happens on workflows

Expected behavior

CI should always pass

Actual behavior

CI occasionally fails. See https://github.com/bazel-contrib/rules_devicetree/actions/runs/16355366882/job/46212286483 for one example failure.

Reading package lists...
E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 2192 (apt)
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?

Environment

• Bazel version (bazel version):
• rules_devicetree version / commit SHA:
• DTC version (dtc --version):
• OS version (/proc/version): ubuntu

Additional context
Add any other context about the problem here.