fix: add -r win-x64 to restore step in Windows release workflow

[Copilot]

dotnet publish --no-restore was failing with NETSDK1112 because the win-x64 runtime pack was never downloaded — the restore step ran without a runtime identifier, so the self-contained runtime assets weren't fetched.

Change

• Added -r win-x64 to the dotnet restore call in .github/workflows/release_windows.yml so the runtime pack is present before the --no-restore publish runs.

# Before
run: dotnet restore TransactionProcessor.Mobile.sln --source ...

# After
run: dotnet restore TransactionProcessor.Mobile.sln -r win-x64 --source ...

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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