Bump TimeZoneConverter from 6.1.0 to 7.0.0 in /src

Bumps [TimeZoneConverter](https://github.com/mattjohnsonpint/TimeZoneConverter) from 6.1.0 to 7.0.0.
- [Release notes](https://github.com/mattjohnsonpint/TimeZoneConverter/releases)
- [Commits](mattjohnsonpint/TimeZoneConverter@6.1.0...7.0.0)

---
updated-dependencies:
- dependency-name: TimeZoneConverter
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

src/WinDynamicDesktop.csproj

@@ -36,7 +36,7 @@
     </PackageReference>
     <PackageReference Include="RestSharp" Version="112.1.0" />
     <PackageReference Include="SunCalcNet" Version="1.2.2" />
-    <PackageReference Include="TimeZoneConverter" Version="6.1.0" />
+    <PackageReference Include="TimeZoneConverter" Version="7.0.0" />
     <PackageReference Include="WindowsDisplayAPI" Version="1.3.0.13" />
   </ItemGroup>
   <ItemGroup>