Bump Newtonsoft.Json in /vs/src/CodeStream.VisualStudio.UnitTests

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 9.0.1 to 13.0.1.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](JamesNK/Newtonsoft.Json@9.0.1...13.0.1)

---
updated-dependencies:
- dependency-name: Newtonsoft.Json
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

vs/src/CodeStream.VisualStudio.CodeLens/CodeStream.VisualStudio.CodeLens.csproj

@@ -140,7 +140,7 @@
       <Version>2.4.32</Version>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
-      <Version>12.0.2</Version>
+      <Version>13.0.1</Version>
     </PackageReference>
     <PackageReference Include="Serilog">
       <Version>2.5.0</Version>

vs/src/CodeStream.VisualStudio.Core/CodeStream.VisualStudio.Core.csproj

@@ -185,7 +185,7 @@
       <Version>4.5.0</Version>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
-      <Version>12.0.2</Version>
+      <Version>13.0.1</Version>
     </PackageReference>
     <PackageReference Include="Serilog">
       <Version>2.5.0</Version>

vs/src/CodeStream.VisualStudio.UnitTests/CodeStream.VisualStudio.UnitTests.csproj

@@ -238,7 +238,7 @@
       <Version>1.4.0</Version>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
-      <Version>12.0.2</Version>
+      <Version>13.0.1</Version>
     </PackageReference>
     <PackageReference Include="System.Collections.Immutable">
       <Version>1.5.0</Version>

vs/src/CodeStream.VisualStudio.Vsix.x86/CodeStream.VisualStudio.Vsix.x86.csproj

@@ -635,7 +635,7 @@
       <Version>2.1.37</Version>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
-      <Version>12.0.2</Version>
+      <Version>13.0.1</Version>
     </PackageReference>
     <PackageReference Include="Serilog">
       <Version>2.5.0</Version>