…Extension (jderusse)This PR was merged into the 4.4 branch.Discussion----------[Lock] Add missing lock connection string in FrameworkExtension| Q             | A| ------------- | ---| Branch?       | 4.4| Bug fix?      | no| New feature?  | yes| Deprecations? | yes| Tickets       | -| License       | MIT| Doc PR        | TODOThis PR adds support to missing DSN in Lock component```framework:  lock: sqlite:/tmp/db  lock: mysql:host=localhost;dbname=test  lock: zookeeper://localhost:2181```The PR also removes intermediate "internal" services `.lock_connection.*` in favor of factory `StoreFactory::createStore`. Which remove duplicate code.This PR also deprecate unused services `lock.store.*` and  `lock.store.*.abstract`Commits-------2db24cf Add missing lock connection string in FrameworkExtension

…e session handler with a DSN (nicolas-grekas)This PR was merged into the 4.4 branch.Discussion----------[HttpFoundation][FrameworkBundle] allow configuring the session handler with a DSN| Q             | A| ------------- | ---| Branch?       | 4.4| Bug fix?      | no| New feature?  | yes| Deprecations? | no| Tickets       | -| License       | MIT| Doc PR        | -```yamlframework:    session:        handler_id: 'redis://localhost'        handler_id: '%env(REDIS_URL)%'        handler_id: '%env(DATABASE_URL)%'        handler_id: 'file://%kernel.project_dir%/var/sessions'```etc.the database connection is not shared with the ORM (don't mess with transactions.)redis/memcached connections are shared between cache and session.(as a reminder, cache and ORM share the db connection: we're ok with trashing the cache on a rollback)Lock-related changes are a follow up of#34043.(fabbot failure is false positive)Commits-------de9c61f [HttpFoundation][FrameworkBundle] allow configuring the session handler with a DSN

…web)This PR was merged into the 5.0-dev branch.Discussion----------[FrameworkBundle] Remove Lock deprecated services| Q             | A| ------------- | ---| Branch?       | master| Bug fix?      | no| New feature?  | no| Deprecations? | no| Tickets       | -| License       | MIT| Doc PR        | -Remove deprecated services in#34043.Commits-------a8e10cf [FrameworkBundle] Remove Lock deprecated services

…web)This PR was merged into the 5.0-dev branch.Discussion----------[FrameworkBundle] Remove Lock deprecated services| Q             | A| ------------- | ---| Branch?       | master| Bug fix?      | no| New feature?  | no| Deprecations? | no| Tickets       | -| License       | MIT| Doc PR        | -Remove deprecated services insymfony/symfony#34043.Commits-------a8e10cffbb [FrameworkBundle] Remove Lock deprecated services

This PR was submitted for the master branch but it was squashed and merged into the 4.4 branch instead.Discussion----------Add a documentation page for lock in FWThis PR add a dedicated page to explain how to use Lock with FrameworkBundleThis PR slightly depends onsymfony/symfony#34043 (PDO and Zookeeper DSN)I should have pushed this PR years ago 😢  sorry about that...Fixes:#12561Commits-------8bf4f85 Add a documentation page for lock in FW