Bump Std.UriTemplate from 1.0.5 to 1.0.6 in /src/serialization/multipart

Bumps [Std.UriTemplate](https://github.com/std-uritemplate/std-uritemplate) from 1.0.5 to 1.0.6.
- [Release notes](https://github.com/std-uritemplate/std-uritemplate/releases)
- [Commits](std-uritemplate/std-uritemplate@1.0.5...1.0.6)

---
updated-dependencies:
- dependency-name: Std.UriTemplate
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/abstractions/Microsoft.Kiota.Abstractions.csproj

@@ -14,7 +14,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Std.UriTemplate" Version="1.0.5" />
+    <PackageReference Include="Std.UriTemplate" Version="1.0.6" />
   </ItemGroup>
 
   <!-- NET 5 target to be removed on next major version-->