Bump phpstan/phpstan-symfony from 1.4.5 to 1.4.8 in /tools/phpstan

[dependabot[bot]]

Bumps phpstan/phpstan-symfony from 1.4.5 to 1.4.8.

Release notes

Sourced from phpstan/phpstan-symfony's releases.

1.4.8

• 14eec8c - Add stub for AbstractController::createForm()

1.4.7

• ee88a01 - Fix internal error when DIC param map has > 256 items

1.4.6

• e909a07 - DiagnoseExtension

Commits

• 14eec8c Add stub for AbstractController::createForm()
• ee88a01 Fix internal error when DIC param map has > 256 items
• e909a07 DiagnoseExtension
• See full diff in compare view

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