WD-8412 - Hide secrets tab

[huwshimi]

Done

• Hide the secrets tab if the model doesn't support it.

QA

• Connect to a Juju 3.3 controller.
• Go to a model details page.
• You should see a secrets tab.
• Connect to a Juju 2.9 controller.
• Go to a model details page.
• You should not see a secrets tab.

Details

https://warthogs.atlassian.net/browse/WD-8412

[webteam-app]

Demo starting at https://juju-dashboard-1696.demos.haus

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (aa059d2) 95.04% compared to head (85102ce) 95.06%. Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1696 +/- ## ========================================== + Coverage 95.04% 95.06% +0.02% ========================================== Files 182 182 Lines 5325 5354 +29 Branches 1545 1550 +5 ========================================== + Hits 5061 5090 +29 Misses 243 243 Partials 21 21 ```

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