Bump Umbraco.Cms from 11.0.0 to 12.3.0 in /Our.Umbraco.GMaps.UmbracoV11

Bumps [Umbraco.Cms](https://github.com/umbraco/Umbraco-CMS) from 11.0.0 to 12.3.0.
- [Release notes](https://github.com/umbraco/Umbraco-CMS/releases)
- [Commits](umbraco/Umbraco-CMS@release-11.0.0...release-12.3.0)

---
updated-dependencies:
- dependency-name: Umbraco.Cms
  dependency-type: direct:production
...

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

Our.Umbraco.GMaps.UmbracoV11/Our.Umbraco.GMaps.UmbracoV11.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Umbraco.Cms" Version="11.0.0" />
+    <PackageReference Include="Umbraco.Cms" Version="12.3.0" />
 
     <!-- Force Windows to use ICU. Otherwise Windows 10 2019H1+ will do it, but older Windows 10 and most, if not all, Windows Server editions will run NLS -->
     <PackageReference Include="Microsoft.ICU.ICU4C.Runtime" Version="68.2.0.9" />