[main] Bump Newtonsoft.Json in /eng/dependabot/independent

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 13.0.2 to 13.0.3.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](JamesNK/Newtonsoft.Json@13.0.2...13.0.3)

---
updated-dependencies:
- dependency-name: Newtonsoft.Json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

eng/dependabot/independent/Versions.props

@@ -11,7 +11,7 @@
     <SystemSecurityPrincipalWindowsVersion>5.0.0</SystemSecurityPrincipalWindowsVersion>
 
     <!-- Third-party references -->
-    <NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
+    <NewtonsoftJsonVersion>13.0.3</NewtonsoftJsonVersion>
     <NJsonSchemaVersion>10.9.0</NJsonSchemaVersion>
     <SwashbuckleAspNetCoreVersion>6.5.0</SwashbuckleAspNetCoreVersion>
     <AwsSdkS3Version>3.5.8.1</AwsSdkS3Version>