Fix default logging collector image tag [RT-1215]

[christian-stephen]

⚙️ Issue

Ticket/s: https://circleci.atlassian.net/browse/RT-1215

⚙️ Change

Change Type:

AC:

✅ Fix\

Use the current major release tag 3 instead of the rolling edge tag.

❓ Tests

Add a couple unit tests to confirm that the default logging collector image tag is what we expect and also that the default settings can be overridden from the values file.

• Tests for new feature and update for changes
• Linting passes and/or formatting matches the standard of the repo

🗒️ Documentation

• Updated related documentation (if applicable). N/A
• Updated Change log (if exists)