(build) split System.Text.Json from System.Text.Encodings.Web version variable

Author: arturcic

src/Directory.Build.props

@@ -32,7 +32,7 @@
         <PackageVersion_JetBrainsAnnotations>2020.3.0</PackageVersion_JetBrainsAnnotations>
         <PackageVersion_YamlDotNet>8.1.2</PackageVersion_YamlDotNet>
         <PackageVersion_MicrosoftExtensions>5.0.0</PackageVersion_MicrosoftExtensions>
-        <PackageVersion_MicrosoftJson>5.0.1</PackageVersion_MicrosoftJson>
+        <PackageVersion_MicrosoftJson>5.0.0</PackageVersion_MicrosoftJson>
         <PackageVersion_MicrosoftTextEncoding>5.0.0</PackageVersion_MicrosoftTextEncoding>
         <PackageVersion_MsBuild>16.9.0</PackageVersion_MsBuild>