fix(cc-token-api-*): pass API bridge URL as a prop instead of hardcoding it

[Galimede]

Fixes #1714

What does this PR do?

• Adds an apiBridgeHref prop to cc-token-api-update-form, cc-token-api-list, and cc-token-api-creation-form,
• Replaces the hardcoded https://api-bridge.clever-cloud.com in the curl example with the prop value,
• Uses new URL() to safely join the path (handles trailing slashes),
• Smart components pass apiConfig.AUTH_BRIDGE_HOST to the new prop,
• Defaults to https://api-bridge.clever-cloud.com when the prop is not set.

How to review?

• Check the code,
• Check the withCustomApiBridgeHref story in Storybook for each component,
• Two reviewers should be enough.

[github-actions]

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