Update Symfony components to 4.4.8

[phil-davis]

Description

composer update
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 0 installs, 5 updates, 0 removals
  - Updating symfony/console (v4.4.7 => v4.4.8): Loading from cache
  - Updating symfony/event-dispatcher (v4.4.7 => v4.4.8): Loading from cache
  - Updating symfony/routing (v4.4.7 => v4.4.8): Downloading (100%)         
  - Updating symfony/process (v4.4.7 => v4.4.8): Downloading (100%)         
  - Updating symfony/translation (v4.4.7 => v4.4.8): Downloading (100%)       

https://symfony.com/blog/symfony-4-4-8-released

How Has This Been Tested?

CI

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Database schema changes (next release will require increase of minor version instead of patch)
• Breaking change (fix or feature that would cause existing functionality to change)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation ticket raised:
• Changelog item, see TEMPLATE

[codecov]

Codecov Report

Merging #37319 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master   #37319   +/-   ##
=========================================
  Coverage     64.53%   64.53%           
  Complexity    19167    19167           
=========================================
  Files          1266     1266           
  Lines         74957    74957           
  Branches       1331     1331           
=========================================
  Hits          48373    48373           
  Misses        26192    26192           
  Partials        392      392           

Flag	Coverage Δ	Complexity Δ
#javascript	54.14% <ø> (ø)	0.00 <ø> (ø)
#phpunit	65.69% <ø> (ø)	19167.00 <ø> (ø)

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