chore: add expo flask dev & sim builds

[sethkfman]

Description

This PR adds 3 new workflows that allow devs to build flask binaries for expo.

It also deletes a duplicate build build_android_flask_release

• build_android_flask_devbuild
• build_ios_flask_devbuild
• build_ios_flask_simbuild

Related issues

Fixes:

Manual testing steps

1. Go to this page...

Screenshots/Recordings

Before

After

iOS Sim Build: https://app.bitrise.io/build/55b78bbf-98ef-4980-9435-0cf802d9a11d
Android Phone/Emulator: https://app.bitrise.io/build/e3da37f0-cd91-4c19-8710-0d645d19772c
iOS Phone: https://app.bitrise.io/build/fbd0f709-2111-4739-b7bc-17b6cdcf05e1

Pre-merge author checklist

• I’ve followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[Cal-L]

Lgtm!