Update LLama.Examples using Spectre.Console

Enhance framework compatibility

The way ChatSession.ChatAsync was using the provided methods
from a IHistoryTransform interface implementation created unexpected
duplication of the chat history messages. It also prevented loading
previous history into the current session.

Create different paths to different MacOS platforms.
Dynamically load the right library

Align with llama.cpp b1488

- Handle invalid choice in Examples.TryGetValue
- Add exit condition for choice "Exit"
- Display a rule before executing example
- Clear console after each iteration

📝 This change refactors the TestRunner.cs file. It handles invalid choices in Examples.TryGetValue, adds an exit condition for the choice "Exit", displays a rule before executing an example, and clears the console after each iteration.

Removed Old Targets From CI matrix

Removed some CI targets

Update README.md

Add the MacOS binary from the same run

GitHub Action Pipeline Improvements

feat(kernel-memory): avoid loading model twice.

build(deps): bump Microsoft.SemanticKernel from 1.0.0-beta1 to 1.0.0-beta4

build(deps): bump Swashbuckle.AspNetCore from 6.2.3 to 6.5.0

build(deps): bump xunit.runner.visualstudio from 2.5.0 to 2.5.3

Bumps [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit) from 2.5.0 to 2.5.3.
- [Release notes](https://github.com/xunit/visualstudio.xunit/releases)
- [Commits](https://github.com/xunit/visualstudio.xunit/compare/2.5.0...2.5.3)

---
updated-dependencies:
- dependency-name: xunit.runner.visualstudio
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

build(deps): bump xunit from 2.5.0 to 2.6.1

CodeQL Pointer Arithmetic

- Added `COMMON_DEFINE` env var which will contain all common defines for all platforms (experimental)

feat: adapts to SK Kernel Memory.

docs: add example models for v0.7.0.