Support Ruby 3.4, update datadog dependency, bump version

[sagarjunnarkar]

PR Details

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Description

Types of changes

• Docs change / refactoring / dependency upgrade
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation and I have updated the documentation accordingly.
• I have added tests to cover my changes.

[Copilot]

Pull Request Overview

This PR updates the gem to support Ruby 3.4 by upgrading the Datadog dependency from ddtrace to datadog v2.0 and setting an upper Ruby version constraint. The version is bumped from 1.0.4 to 1.0.5.

• Updated Datadog dependency from ddtrace (>= 1.13.0) to datadog (~> 2.0)
• Added upper Ruby version constraint (< 4.0) while maintaining lower bound of >= 2.7.0
• Bumped gem version from 1.0.4 to 1.0.5

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
lib/datadog_notifier/version.rb	Incremented VERSION constant from '1.0.4' to '1.0.5'
datadog_notifier.gemspec	Updated datadog dependency and added Ruby version upper bound

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[sagarjunnarkar]

https://github.com/DataDog/dd-trace-rb/blob/release/docs/UpgradeGuide2.md