CMS5: Upgrade all module to Symfony 6

[maxime-rainville]

Acceptance criteria

• All module should be tracking Symfony 6.

PRs - Remove deprecated/removed call to constructExtensions

• FIX Remove call to non-existent constructExtensions method silverstripe-asset-admin#1291
• FIX Remove call to non-existent constructExtensions method silverstripe-testsession#80
• FIX Remove call to deprecated constructExtensions method silverstripe-ldap#44

PRs - required for symfony PRs below

• DEP Require symfony ^6.1 silverstripe-assets#511
• API Symfony 6 compatibility silverstripe-versioned#373
• DEP Require symfony ^6.1 silverstripe-config#69
• DEP Require symfony ^6.1 and friends-of-behat/mink-extension fork silverstripe-behat-extension#222

PRs

• API Update caching to use symfony 6 #10478
• API Update translation to use symfony 6 #10491
• DEP Require symfony ^6.1 silverstripe-event-dispatcher#21
• DOC Document symfony 6 dependency changes developer-docs#79

New issues created

• Upgrade to web-auth/webauthn-lib ^4 for CMS 5 silverstripe-webauthn-authenticator#118

[GuySartorelli]

ACs met and all PRs merged