Bump System.Text.Json from 10.0.2 to 10.0.3 (#206)

Update dependency Non-Important #102

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-version: 10.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

CoreSim/src/RobotTwin.CoreSim/RobotTwin.CoreSim.csproj

@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
-    <PackageReference Include="System.Text.Json" Version="10.0.2" />
+    <PackageReference Include="System.Text.Json" Version="10.0.3" />
   </ItemGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">