Bump MaterialDesignThemes.MahApps from 5.2.1 to 5.3.0

---
updated-dependencies:
- dependency-name: MaterialDesignThemes.MahApps
  dependency-version: 5.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/SDAT/SDAT.csproj

@@ -11,7 +11,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="MaterialDesignThemes" Version="5.3.0" />
-    <PackageReference Include="MaterialDesignThemes.MahApps" Version="5.2.1" />
+    <PackageReference Include="MaterialDesignThemes.MahApps" Version="5.3.0" />
     <PackageReference Include="Prism.Unity" Version="9.0.537" />
   </ItemGroup>
   <ItemGroup>