Bump Microsoft.Net.Compilers.Toolset from 4.3.0 to 4.5.0 in /tools/DevicesApiTester#21

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dependabot/nuget/tools/DevicesApiTester/Microsoft.Net.Compilers.Toolset-4.5.0Kash0321/iot:dependabot/nuget/tools/DevicesApiTester/Microsoft.Net.Compilers.Toolset-4.5.0Copy head branch name to clipboard