first commit

config/sync/system.action.user_block_user_action.yml

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+uuid: 41713fee-0bd8-4109-b7b4-9559e887d362
+langcode: fr
+status: true
+dependencies:
+  module:
+    - user
+_core:
+  default_config_hash: DyypzTfThX10FFQw-399qPfEbLLyrhXgQrKPVsmAoJ4
+id: user_block_user_action
+label: 'Block the selected user(s)'
+type: user
+plugin: user_block_user_action
+configuration: {  }