Merge pull request #511 from GitTools/dependabot/nuget/src/Microsoft.CodeAnalysis.NetAnalyzers-7.0.3

Bump Microsoft.CodeAnalysis.NetAnalyzers from 6.0.0 to 7.0.3 in /src

Author: gep13

src/Directory.Build.props

@@ -14,7 +14,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="6.0.0">
+        <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.3">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>