Bump System.IdentityModel.Tokens.Jwt from 8.7.0 to 8.8.0 in /src/backend

Bumps [System.IdentityModel.Tokens.Jwt](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet) from 8.7.0 to 8.8.0.
- [Release notes](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/releases)
- [Changelog](https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/blob/dev/CHANGELOG.md)
- [Commits](AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet@8.7.0...8.8.0)

---
updated-dependencies:
- dependency-name: System.IdentityModel.Tokens.Jwt
  dependency-version: 8.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/backend/CollaborationStateService.csproj

@@ -13,7 +13,7 @@
     <PackageReference Include="Microsoft.Azure.SignalR" Version="1.30.2" />
     <PackageReference Include="Microsoft.Extensions.Configuration.AzureKeyVault" Version="3.1.24" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.4" />
-    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.7.0" />
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.8.0" />
     <PackageReference Include="Azure.Security.KeyVault.Secrets" Version="4.7.0" />
   </ItemGroup>