style: fix linting

[reubenmiller]

Fix the linting due the latest golangci-lint version adding some new rules.

[github-actions]

Robot Results

✅ Passed	❌ Failed	⏭️ Skipped	Total	Pass %	⏱️ Duration
38	0	0	38	100	8m46.086469s

Passed Tests

Name	⏱️ Duration	Suite
Get Container Logs	6.114 s	Container-Logs
Get Container Logs with only last N lines	0.676 s	Container-Logs
Get Container Logs By Operation	9.706 s	Container-Logs
Remove Container	6.994 s	Container-Remove
Remove Container Non Existent Container Should Not Through An Error	0.145 s	Container-Remove
Restart Container	0.714 s	Container-Restart
Restart Unknown Container Fails	0.168 s	Container-Restart
Update to tedge-container-plugin-ng	22.841 s	Installation
Check for Update	7.317 s	Operations-Clone
Clone Existing Container	29.843 s	Operations-Clone
Clone Existing Container by Timeout Whilst Waiting For Exit	18.305 s	Operations-Clone
Clone Existing Container but Waiting For Exit	25.717 s	Operations-Clone
Ignore Containers With Given Label	21.352 s	Operations-Clone
Install/uninstall container-image	18.535 s	Operations-Container-Image
Install/uninstall not existent container image	6.767 s	Operations-Container-Image
Install/uninstall container package from private repository - credentials file	12.548 s	Operations-Private-Registries
Install/uninstall container package from private repository - credentials script	15.107 s	Operations-Private-Registries
Install/uninstall container package from private repository - credentials script with cache	20.563 s	Operations-Private-Registries
Install/uninstall container package from private repository - engine credentials	17.390 s	Operations-Private-Registries
Install/uninstall container package from private repository - docker from docker	46.905 s	Operations-Private-Registries
Get Configuration	4.996 s	Operations
Install/uninstall container-group package	18.939 s	Operations
Install/uninstall container-group package with non-existent image	11.025 s	Operations
Install invalid container-group	3.070 s	Operations
Install container-group with multiple files - app1	13.790 s	Operations
Install container-group with multiple files - app2	7.598 s	Operations
Install/uninstall container package	17.093 s	Operations
Install/uninstall container package from file	11.515 s	Operations
Manual container creation/deletion	19.503 s	Operations
Manual container creation/deletion with error on run	7.334 s	Operations
Manual container created and then killed	10.062 s	Operations
Remove Orphaned Cloud Services	19.321 s	Operations
Install container group that uses host volume mount	7.568 s	Operations
Self Update Is Present Using Self Type	0.210 s	Self
Self Update Is Present Using Container Type	0.204 s	Self
Self Update Is Not Present	0.201 s	Self
Service status	16.762 s	Telemetry-Main
Sends measurements	69.185 s	Telemetry-Main