Bump Temporal packages to 1.7.0

[ElanHasson]

No description provided.

[Copilot]

Pull Request Overview

This PR updates all Temporal packages from version 1.6.0 to 1.7.0 across the sample projects to maintain consistency and leverage the latest features and fixes.

• Updates Temporalio core and extension packages to version 1.7.0
• Ensures version consistency across all sample projects
• Maintains compatibility with existing OpenTelemetry and hosting integrations

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
sample/Worker/Worker.csproj	Updates core Temporalio and hosting extension packages to 1.7.0
sample/ServiceDefaults/ServiceDefaults.csproj	Updates diagnostic source and OpenTelemetry extension packages to 1.7.0
sample/Api/Api.csproj	Updates core Temporalio and hosting extension packages to 1.7.0

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