Update CI pipeline and bump harmony submodule

fw-lite.yaml: fix CI pipeline for .NET 10 / linq2db v6.
harmony: bump to claude/fix-harmony-toctou-lgtNW (HasCommit TOCTOU lock fix
+ .NET 10 / linq2db v6 support).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: myieye

.github/workflows/fw-lite.yaml

@@ -331,9 +331,12 @@ jobs:
       - name: Publish Windows MAUI msix app
         working-directory: backend/FwLite/FwLiteMaui
         run: |
-          dotnet publish -f net10.0-windows10.0.19041.0 -p:BuildAndroid=false --artifacts-path ../artifacts -p:ApplicationDisplayVersion=${{ needs.build-and-test.outputs.semver-version }} -p:InformationalVersion=${{ needs.build-and-test.outputs.version }}
+          # AppxPackageDir is the MSIX-targets equivalent of --artifacts-path: without it
+          # MAUI 10 writes AppPackages to $(MSBuildProjectDirectory)/AppPackages, ignoring
+          # --artifacts-path. Redirect it under artifacts/ so everything lives in one tree.
+          dotnet publish -f net10.0-windows10.0.19041.0 -p:BuildAndroid=false --artifacts-path ../artifacts -p:AppxPackageDir=../artifacts/AppPackages/ -p:ApplicationDisplayVersion=${{ needs.build-and-test.outputs.semver-version }} -p:InformationalVersion=${{ needs.build-and-test.outputs.version }}
           mkdir -p ../artifacts/msix
-          cp ../artifacts/bin/FwLiteMaui/*/AppPackages/*/*.msix ../artifacts/msix/
+          cp ../artifacts/AppPackages/*/*.msix ../artifacts/msix/
 
       - name: Bundle MSIX
         working-directory: backend/FwLite/artifacts/msix