update src folder links

[Arhell]

Q	A
Is bugfix?	✔️/❌
New feature?	✔️/❌
Breaks BC?	✔️/❌

resolve https://github.com/yiisoft/yii-bootstrap5/issues/141

[what-the-diff[bot]]

PR Summary

• Secure Image Links Implementation in Carousel The image links on the carousel module were enhanced for better security by switching from HTTP to HTTPS.

• Improved Documentation Secure Links in Navigation URLs provided in the PHP documentation comments within the navigation module were updated to have HTTPS, reinforcing the security aspect of the resources referred to in the documentation.

[codecov[bot]]

Codecov Report

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

Project coverage is 98.37%. Comparing base (6df29ba) to head (ce6b9cc). Report is 1 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #142 +/- ## ========================================= Coverage 98.37% 98.37% Complexity 494 494 ========================================= Files 21 21 Lines 1664 1664 ========================================= Hits 1637 1637 Misses 27 27 ```

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