Update CI/CD workflow to use kebab-case directories

- Change Source/** to source/** in path filters
- Change Tests/** to tests/** in path filters
- Update test path from Tests/TimeWarp.OptionsValidation.Tests to tests/timewarp-options-validation-tests

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: StevenTCramer

.github/workflows/ci-cd.yml

@@ -5,17 +5,17 @@ on:
     branches:
       - master
     paths:
-      - 'Source/**'
-      - 'Tests/**'
+      - 'source/**'
+      - 'tests/**'
       - '.github/workflows/**'
       - 'Directory.Build.props'
       - 'Directory.Packages.props'
   pull_request:
     branches:
       - master
     paths:
-      - 'Source/**'
-      - 'Tests/**'
+      - 'source/**'
+      - 'tests/**'
       - '.github/workflows/**'
       - 'Directory.Build.props'
       - 'Directory.Packages.props'
@@ -50,7 +50,7 @@ jobs:
 
       - name: Test
         run: |
-          cd Tests/TimeWarp.OptionsValidation.Tests
+          cd tests/timewarp-options-validation-tests
           dotnet tool restore
           dotnet restore
           dotnet fixie --configuration Release