chore: rename variable

Author: DennisDyallo

Yubico.Core/src/Yubico/PlatformInterop/Libraries.Net47.cs

@@ -78,7 +78,7 @@ private static class Net47Implementation
                         Architecture.X86 => "x86",
                         Architecture.X64 => "x64",
                         Architecture.Arm64 => "arm64",
-                        var badArch => throw new ArgumentOutOfRangeException($"Architecture {badArch} is not supported!")
+                        var unsupportedArch  => throw new ArgumentOutOfRangeException($"Architecture {unsupportedArch } is not supported!")
                     },
                     NativeShims);