Ako/ use vars instead of env

[ali-hosseini-deriv]

Changes:

this it to fix the download remote config file step in UAT, Staging and Production workflows.

Screenshots:

Please provide some screenshots of the change.

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated (UTC)
deriv-app	✅ Ready (Inspect)	Visit Preview	Feb 20, 2024 6:19am

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues

Measures
0 Security Hotspots
No data about Coverage
17.4% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

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

• PR: Ako/ use vars instead of env #13695
• URLs:
  • w/ App ID + Server: https://deriv-app-git-fork-ali-hosseini-deriv-ako-fix-envs-usage.binary.sx?qa_server=red.derivws.com&app_id=32870
  • Original: https://deriv-app-git-fork-ali-hosseini-deriv-ako-fix-envs-usage.binary.sx
• App ID: 32870

Click here to copy & paste above information.

- **PR**: [https://github.com/binary-com/deriv-app/pull/13695](https://github.com/binary-com/deriv-app/pull/13695)
- **URLs**:
    - **w/ App ID + Server**: https://deriv-app-git-fork-ali-hosseini-deriv-ako-fix-envs-usage.binary.sx?qa_server=red.derivws.com&app_id=32870
    - **Original**: https://deriv-app-git-fork-ali-hosseini-deriv-ako-fix-envs-usage.binary.sx
- **App ID**: `32870`

[github-actions]

🚨 Lighthouse report for the changes in this PR:

Category	Score
🔺 Performance	30
🟧 Accessibility	89
🟢 Best practices	92
🟧 SEO	85
🟧 PWA	78

Lighthouse ran with https://deriv-app-git-fork-ali-hosseini-deriv-ako-fix-envs-usage.binary.sx/

[coveralls]

coverage: 36.811% (+0.002%) from 36.809%
when pulling 710e5cf on ali-hosseini-deriv:ako/fix-envs-usage
into cf863e4 on binary-com:master.