Issue #3478504 by andypost: upgrade phpstan to 1.11.10 for 10.4.x

composer.json

composer.lock

composer/Metapackage/DevDependencies/composer.json

composer/Metapackage/PinnedDevDependencies/composer.json

core/.phpstan-baseline.php

.../modules/file/src/EventSubscriber/FileEventSubscriber.php

core/modules/pgsql/src/Driver/Database/pgsql/Schema.php

core/modules/sqlite/src/Driver/Database/sqlite/Statement.php

core/tests/Drupal/KernelTests/AssertContentTrait.php

core/tests/Drupal/Tests/WebAssert.php