Drop PHP 7.3

[phil-davis]

Description

This is a PoC demonstrating the changes needed to drop PHP 7.3

composer found the following dependencies that it could update:

$ composer update
Loading composer repositories with package information
Info from https://repo.packagist.org: #StandWithUkraine
Updating dependencies
Lock file operations: 0 installs, 4 updates, 2 removals
  - Removing container-interop/container-interop (1.2.0)
  - Removing laminas/laminas-zendframework-bridge (1.4.1)
  - Upgrading laminas/laminas-filter (2.12.0 => 2.14.0)
  - Upgrading laminas/laminas-inputfilter (2.12.1 => 2.13.0)
  - Upgrading laminas/laminas-servicemanager (3.7.0 => 3.11.2)
  - Upgrading psr/container (1.1.1 => 1.1.2)
Writing lock file

git/owncloud/core/apps/files_external/3rdparty$ composer update
Loading composer repositories with package information
Updating dependencies
Lock file operations: 1 install, 1 update, 0 removals
  - Upgrading guzzlehttp/psr7 (1.8.5 => 2.2.1)
  - Locking psr/http-factory (1.0.1)
Writing lock file

Other things that could be done are:

• bump from phpunit v9 to v10 (if phpunit v10 gets released "soon")
• bump Symfony v4 to v5
• check other major versions of dependencies in composer.json and see what could be updated

Related Issue

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

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[phil-davis]

See #40122 for the rebased version of this, with conflicts resolved.