disable layerzero bridge for zkEVM Maintenance

[gtg7784]

Pull Request Summary

disable layerzero bridge for zkEVM Maintenance

Check list

• [ ] contains breaking changes
• [ ] adds new feature
• [x] modifies existing feature (bug fix or improvements)
• [ ] relies on other tasks
• [ ] documentation changes
• [ ] tested on mobile devices

This pull request makes the following changes:

Adds

• add isOnMaintenance in layerzero bridge page

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit a818698):

https://astar-apps--pr1342-disable-bridge-erc20-9mwkl2bo.web.app

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