Update documentation and CI workflows

Update project documentation:
- Expand ARCHITECTURE.md with new component details
- Update CHANGELOG.md for release notes
- Refine CI workflow configurations
- Update CodeQL analysis settings

Keeps documentation in sync with codebase changes.

Author: khaledesmail

.github/workflows/ci.yml

@@ -41,7 +41,7 @@ jobs:
 
     - name: Upload coverage
       if: matrix.os == 'ubuntu-latest'
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         files: ./coverage/coverage-final.json
         flags: unittests
@@ -70,7 +70,7 @@ jobs:
         vsce package
 
     - name: Upload VSIX
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: extension-vsix
         path: '*.vsix'

.github/workflows/codeql.yml

@@ -22,12 +22,12 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@v3
       with:
         languages: typescript
 
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
+      uses: github/codeql-action/autobuild@v3
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@v3