terraform: Introduce new init message types

Author: radeksimko

content/terraform/v1.15.x (alpha)/docs/internals/machine-readable-ui.mdx

@@ -102,7 +102,9 @@ Messages with `init_output` type have an additional `message_code` documented be
 
 #### Provider Installation
 
-- `initializing_provider_plugin_message`: indicates progress during installation of providers
+- `initializing_provider_plugin_from_config_message`: indicates progress during installation of providers from configuration
+- `initializing_provider_plugin_from_state_message`: indicates progress during installation of providers from state
+- `reusing_version_during_state_provider_init`: indicates provider version reuse during state-based provider installation
 - `provider_already_installed_message`: indicates a provider that is already installed during installation
 - `built_in_provider_available_message`: indicates a built-in provider in use during installation
 - `installing_provider_message`: indicates that a provider is being installed (from a remote location)