Bump Google.Apis.YouTube.v3 from 1.69.0.3742 to 1.70.0.3847

---
updated-dependencies:
- dependency-name: Google.Apis.YouTube.v3
  dependency-version: 1.70.0.3847
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

mcp-azure-function.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
-    <PackageReference Include="Google.Apis.YouTube.v3" Version="1.69.0.3742" />
+    <PackageReference Include="Google.Apis.YouTube.v3" Version="1.70.0.3847" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="2.0.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.2.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http.AspNetCore" Version="2.0.1" />