new api to get triggers

[patelchandni]

Issue describing the changes in this PR

New GET admin/host/triggers API needed for Functions Deployment Manager will return sync trigger payload.
It is using ResourceContainsSecrets Attribute.

Pull request checklist

IMPORTANT: Currently, changes must be backported to the in-proc branch to be included in Core Tools and non-Flex deployments.

• Backporting to the in-proc branch is not required
  • Otherwise: Link to backporting PR
• My changes do not require documentation changes
  • Otherwise: Documentation issue linked to PR
• My changes should not be added to the release notes for the next release
  • Otherwise: I've added my notes to release_notes.md
• My changes do not need to be backported to a previous version
  • Otherwise: Backport tracked by issue/PR #issue_or_pr
• My changes do not require diagnostic events changes
  • Otherwise: I have added/updated all related diagnostic events and their documentation (Documentation issue linked to PR)
• I have added all required tests (Unit tests, E2E tests)

[eliaslopezgt]

LGTM 👍

[Copilot]

Pull Request Overview

This PR introduces a new GET API endpoint (admin/host/triggers) for retrieving trigger payloads to support the Functions Deployment Manager and refactors the result types used for trigger operations. Key changes include:

• Renaming SyncTriggersResult to TriggersOperationResult and updating associated tests.
• Adding a new TriggersResult class to encapsulate the triggers payload.
• Incorporating a new GetTriggersAsync method in IFunctionsSyncManager and its implementation in FunctionsSyncManager.
• Creating a new controller endpoint with appropriate authorization and logging for trigger retrieval.

Reviewed Changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
test/WebJobs.Script.Tests/FunctionsSyncServiceTests.cs	Updated test to expect TriggersOperationResult instead of SyncTriggersResult.
test/WebJobs.Script.Tests/Controllers/Admin/KeysControllerTests.cs	Updated setup to use the new TriggersOperationResult.
test/WebJobs.Script.Tests.Integration/*	Modified several integration tests to use the new TriggersOperationResult.
test/WebJobs.Script.Tests.Integration/Management/FunctionsSyncManagerTests.cs	Added new test coverage for the GetTriggersAsync API.
src/WebJobs.Script/Diagnostics/MetricEventNames.cs	Added new metric constant for GetTriggersInvoked.
src/WebJobs.Script.WebHost/Management/TriggersResult.cs	Introduced a new class to return trigger payload content.
src/WebJobs.Script.WebHost/Management/TriggersOperationResult.cs	Renamed and updated result type documentation.
src/WebJobs.Script.WebHost/Management/IFunctionsSyncManager.cs	Updated interface to support the new GetTriggersAsync method.
src/WebJobs.Script.WebHost/Management/FunctionsSyncManager.cs	Implemented GetTriggersAsync and refactored TrySyncTriggersAsync to return the new result type.
src/WebJobs.Script.WebHost/Controllers/HostController.cs	Added a new endpoint for retrieving triggers with proper authorization and metrics logging.