Update workflows and scripts to use AL-Go Actions v8.1 and improve cl…

…oud/local development environment scripts

- Updated GitHub Actions workflows to use actions/[email protected] and AL-Go Actions v8.1 for various steps including ReadSettings, DeployPowerPlatform, and AnalyzeTests.
- Enhanced cloudDevEnv.ps1 and localDevEnv.ps1 scripts with detailed documentation and new parameters for custom settings.
- Modified settings.json to reference the new schema for AL-Go Actions v8.1.
- Adjusted workspace configuration to reflect the new directory structure for AL-Go.