hamza/update the broker name in mt5 trade modal

[hamza-deriv]

Changes:

Please provide a summary of the change.
Update MT5 broker name in deriv.app to new name: "Deriv Holdings (Guernsey) Limited"

Screenshots:

Please provide some screenshots of the change.

[vercel]

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Name	Status	Preview	Updated (UTC)
deriv-app	✅ Ready (Inspect)	Visit Preview	Jul 31, 2023 3:57am

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[github-actions]

A production App ID was automatically generated for this PR. (log)

• PR: hamza/update the broker name in mt5 trade modal #9498
• URLs:
  • w/ App ID + Server: https://deriv-app-git-fork-hamza-deriv-hamza-prodqa-1248broker-n-cfbff6.binary.sx?qa_server=red.binaryws.com&app_id=32926
  • Original: https://deriv-app-git-fork-hamza-deriv-hamza-prodqa-1248broker-n-cfbff6.binary.sx
• App ID: 32926

Click here to copy & paste above information.

- **PR**: [https://github.com/binary-com/deriv-app/pull/9498](https://github.com/binary-com/deriv-app/pull/9498)
- **URLs**:
    - **w/ App ID + Server**: https://deriv-app-git-fork-hamza-deriv-hamza-prodqa-1248broker-n-cfbff6.binary.sx?qa_server=red.binaryws.com&app_id=32926
    - **Original**: https://deriv-app-git-fork-hamza-deriv-hamza-prodqa-1248broker-n-cfbff6.binary.sx
- **App ID**: `32926`

[github-actions]

🚨 Lighthouse report for the changes in this PR:

Category	Score
🔺 Performance	17
🟧 Accessibility	75
🟢 Best practices	92
🟧 SEO	85
🟢 PWA	90

Lighthouse ran with https://deriv-app-git-fork-hamza-deriv-hamza-prodqa-1248broker-n-cfbff6.binary.sx/

[coveralls]

coverage: 8.871%. remained the same when pulling 7e5050b on hamza-deriv:hamza/PRODQA-1248/Broker-name-update into e17e9d9 on binary-com:master.