chore(deps): bump Microsoft.ICU.ICU4C.Runtime from 68.2.0.9 to 72.1.0.3

Bumps [Microsoft.ICU.ICU4C.Runtime](https://github.com/microsoft/icu) from 68.2.0.9 to 72.1.0.3.
- [Release notes](https://github.com/microsoft/icu/releases)
- [Changelog](https://github.com/microsoft/icu/blob/master/changelog.md)
- [Commits](microsoft/icu@v68.2.0.9...v72.1.0.3)

---
updated-dependencies:
- dependency-name: Microsoft.ICU.ICU4C.Runtime
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/TestSite.10/TestSite.10.csproj

@@ -13,7 +13,7 @@
 
     <ItemGroup>
         <!-- Opt-in to app-local ICU to ensure consistent globalization APIs across different platforms -->
-        <PackageReference Include="Microsoft.ICU.ICU4C.Runtime" Version="68.2.0.9"/>
+        <PackageReference Include="Microsoft.ICU.ICU4C.Runtime" Version="72.1.0.3"/>
         <RuntimeHostConfigurationOption Include="System.Globalization.AppLocalIcu" Value="68.2.0.9" Condition="$(RuntimeIdentifier.StartsWith('linux')) or $(RuntimeIdentifier.StartsWith('win')) or ('$(RuntimeIdentifier)' == '' and !$([MSBuild]::IsOSPlatform('osx')))"/>
     </ItemGroup>
 

src/TestSite.12/TestSite.12.csproj

@@ -13,7 +13,7 @@
 
     <ItemGroup>
         <!-- Opt-in to app-local ICU to ensure consistent globalization APIs across different platforms -->
-        <PackageReference Include="Microsoft.ICU.ICU4C.Runtime" Version="68.2.0.9"/>
+        <PackageReference Include="Microsoft.ICU.ICU4C.Runtime" Version="72.1.0.3"/>
         <RuntimeHostConfigurationOption Include="System.Globalization.AppLocalIcu" Value="68.2.0.9" Condition="$(RuntimeIdentifier.StartsWith('linux')) or $(RuntimeIdentifier.StartsWith('win')) or ('$(RuntimeIdentifier)' == '' and !$([MSBuild]::IsOSPlatform('osx')))"/>
     </ItemGroup>