bump http-graceful-shutdown version

[sebhildebrandt]

Description

This pull request updates the http-graceful-shutdown dependency version from 2.3.1 to 3.1.4.

Motivation and Context

This version is fully backwards compatible to version 2.x but adds much better handling under the hood.

Types of Changes

• 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)
• Non breaking change - dependency update - for stabilization reasons

Checklist

• I have added tests to cover my changes.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• My code follows the code style of this project.
• My commits and the title of this PR follow the Conventional Commits Specification.
• I have read the contributing guidelines.

[offirgolan]

Fixing in #417