minor #14168 Migrate Yaml config for DI calls to new syntax (greg0ire)

This PR was merged into the 4.4 branch.

Discussion
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Migrate Yaml config for DI calls to new syntax

From https://symfony.com/blog/new-in-symfony-4-4-dependency-injection-improvements-part-2

> [It is] more concise, and easier to read/write.

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Commits
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c9a6c9c Migrate Yaml config for DI calls to new syntax

Author: xabbuh

components/dependency_injection.rst

@@ -259,7 +259,7 @@ config files:
             newsletter_manager:
                 class:     NewsletterManager
                 calls:
-                    - [setMailer, ['@mailer']]
+                    - setMailer: ['@mailer']
 
     .. code-block:: xml
 

service_container/calls.rst

@@ -40,7 +40,7 @@ To configure the container to call the ``setLogger`` method, use the ``calls`` k
             App\Service\MessageGenerator:
                 # ...
                 calls:
-                    - [setLogger, ['@logger']]
+                    - setLogger: ['@logger']
 
     .. code-block:: xml
 

service_container/injection_types.rst

@@ -150,7 +150,7 @@ In order to use this type of injection, don't forget to configure it:
             app.newsletter_manager:
                 class: App\Mail\NewsletterManager
                 calls:
-                    - [withMailer, ['@mailer'], true]
+                    - withMailer: !returns_clone ['@mailer']
 
     .. code-block:: xml
 
@@ -244,7 +244,7 @@ that accepts the dependency::
             app.newsletter_manager:
                 class: App\Mail\NewsletterManager
                 calls:
-                    - [setMailer, ['@mailer']]
+                    - setMailer: ['@mailer']
 
     .. code-block:: xml
 

service_container/optional_dependencies.rst

@@ -68,7 +68,7 @@ call if the service exists and remove the method call if it does not:
         services:
             App\Newsletter\NewsletterManager:
                 calls:
-                    - [setLogger, ['@?logger']]
+                    - setLogger: ['@?logger']
 
     .. code-block:: xml
 

service_container/parent_services.rst

@@ -72,7 +72,7 @@ duplicated service definitions:
                 abstract:  true
                 arguments: ['@doctrine.orm.entity_manager']
                 calls:
-                    - [setLogger, ['@logger']]
+                    - setLogger: ['@logger']
 
             App\Repository\DoctrineUserRepository:
                 # extend the App\Repository\BaseDoctrineRepository service

session/database.rst

@@ -30,15 +30,13 @@ First, define a Symfony service for the connection to the Redis server:
                 # you can also use \RedisArray, \RedisCluster or \Predis\Client classes
                 class: Redis
                 calls:
-                    - method: connect
-                      arguments:
-                          - '%env(REDIS_HOST)%'
-                          - '%env(int:REDIS_PORT)%'
+                    - connect:
+                        - '%env(REDIS_HOST)%'
+                        - '%env(int:REDIS_PORT)%'
 
                     # uncomment the following if your Redis server requires a password
-                    # - method: auth
-                    #   arguments:
-                    #       - '%env(REDIS_PASSWORD)%'
+                    # - auth:
+                    #     - '%env(REDIS_PASSWORD)%'
 
     .. code-block:: xml