Bump Avalonia and Avalonia.Diagnostics

Bumps Avalonia from 11.3.11 to 11.3.12
Bumps Avalonia.Diagnostics from 11.3.11 to 11.3.12

---
updated-dependencies:
- dependency-name: Avalonia
  dependency-version: 11.3.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Avalonia.Diagnostics
  dependency-version: 11.3.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

BabySmash.Linux/BabySmash.Linux.csproj

@@ -26,12 +26,12 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia" Version="11.3.11" />
+    <PackageReference Include="Avalonia" Version="11.3.12" />
     <PackageReference Include="Avalonia.Desktop" Version="11.3.11" />
     <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.11" />
     <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.11" />
     <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-    <PackageReference Include="Avalonia.Diagnostics" Version="11.3.11">
+    <PackageReference Include="Avalonia.Diagnostics" Version="11.3.12">
       <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
       <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
     </PackageReference>