Refactor github action workflow

[sifnoc]

Problem

The workflow file is becoming long as we add more connections into Mopro, making it harder to maintain and increasing the total execution time.

Details

Currently, there is a single workflow file, build-and-test.yml.
One of the longest-running jobs is test-e2e/halo2, which alone takes more than 14 minutes.

Acceptance criteria

• Split the single workflow file into multiple files to improve maintainability.
• Optimize the total workflow execution time, ensuring the most time-consuming tests are limited to either uniffi_foreign_language_testcase_test_halo2_keccak256_swift or uniffi_foreign_language_testcase_test_halo2_keccak256_kt.