Update WebJobs reference and bring in new exception types

[satvu]

Issue describing the changes in this PR

Pre-requisite for #10936, updates the WebJobs package to 3.0.42 and brings in new/replacement exception types.

New exception type:

• FunctionTimeoutAbortException

Replaced/moved exception type::

• FunctionInvocationCanceledException

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 - backport 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)

[Copilot]

Pull Request Overview

This PR updates the Microsoft.Azure.WebJobs package from version 3.0.41 to 3.0.42 and integrates new exception types. The changes prepare the codebase for upcoming features by incorporating FunctionTimeoutAbortException and moving FunctionInvocationCanceledException to the WebJobs Host library.

• Package version bump from 3.0.41 to 3.0.42 across project files
• Addition of Microsoft.Azure.WebJobs.Host using statement to access new exception types
• Removal of local FunctionInvocationCanceledException implementation

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
src/WebJobs.Script/WebJobs.Script.csproj	Updates WebJobs package reference to version 3.0.42
src/WebJobs.Script.WebHost/WebJobs.Script.WebHost.csproj	Updates WebJobs package reference to version 3.0.42
src/WebJobs.Script/Description/Workers/WorkerFunctionInvoker.cs	Adds using statement for Microsoft.Azure.WebJobs.Host namespace
src/WebJobs.Script/Description/Workers/FunctionInvocationCanceledException.cs	Removes local exception implementation (now provided by WebJobs Host)

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