Bump global-nav version

[mtruj013]

Done

• Bumped global nav version
• Added some custom CSS

QA

• View the site locally in your web browser at: http://0.0.0.0:8002/data (or any other page that has the global nav)
• See that the links are no longer blacked out

Issue / Card

Fixes #

Screenshots

[if relevant, include a screenshot]

[webteam-app]

Demo starting at https://canonical-com-1217.demos.haus

[codecov[bot]]

Codecov Report

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

Project coverage is 66.14%. Comparing base (376c630) to head (0bd7004). Report is 9 commits behind head on main.

:exclamation: Current head 0bd7004 differs from pull request most recent head 7f2f074. Consider uploading reports for the commit 7f2f074 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1217 +/- ## ======================================= Coverage 66.14% 66.14% ======================================= Files 10 10 Lines 898 898 ======================================= Hits 594 594 Misses 304 304 ``` | [Flag](https://app.codecov.io/gh/canonical/canonical.com/pull/1217/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=canonical) | Coverage Δ | | |---|---|---| | [python](https://app.codecov.io/gh/canonical/canonical.com/pull/1217/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=canonical) | `66.14% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=canonical#carryforward-flags-in-the-pull-request-comment) to find out more.

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[mtruj013]

All canonical dropdown is failing, this needs further investigation:

Blocked for now