Bump System.Text.Json from 8.0.3 to 8.0.4 in /Masuit.Tools

Bumps System.Text.Json from 8.0.3 to 8.0.4.

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-type: direct:production
...

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

Masuit.Tools/Masuit.Tools.csproj

@@ -227,7 +227,7 @@
       <Version>2.8.0</Version>
     </PackageReference>
     <PackageReference Include="System.Text.Json">
-      <Version>8.0.3</Version>
+      <Version>8.0.4</Version>
     </PackageReference>
     <PackageReference Include="System.ValueTuple">
       <Version>4.5.0</Version>