dotnet-1.4.0

What's Changed

• .NET: Bump OpenTelemetry packages to 1.15.3 by @SergeyMenshykh in #5478
• .NET: Support returning durable workflow results from HTTP trigger endpoint by @kshyju in #5321
• .NET: [Breaking] Support string[] arguments for file-based skill scripts by @SergeyMenshykh in #5475
• .NET: Add HttpRequestAction support to declarative workflows by @peibekwe in #5474
• .NET: Add declarative HttpRequestAction sample by @peibekwe in #5572
• .NET: dotnet: Add hosted-agent User-Agent supplement to outgoing requests by @alliscode in #5453
• .NET: Add dedicated Foundry.Hosting UnitTest project by @rogerbarreto in #5592
• .NET: Harness Feature branch by @westey-m in #5310
• .NET: Hosting updates to declarative workflows by @alliscode in #5589
• docs: enhance README with 1.0 features and improved structure by @chetantoshniwal in #5534
• .NET: Update version for release by @westey-m in #5636
• .NET: Add Microsoft.Agents.AI.Hyperlight package for CodeAct integration (.NET) by @eavanvalkenburg in #5329

Full Changelog: dotnet-1.3.0...dotnet-1.4.0