Switch to Erts newer plugin system

Avoids DeprecationWarnings.

Drop falling back to ert_shared, which is no longer around.

src/fmu/dataio/hook_implementations/jobs.py

@@ -1,14 +1,10 @@
 from __future__ import annotations
 
-try:
-    from ert.shared.plugins.plugin_manager import hook_implementation
-    from ert.shared.plugins.plugin_response import plugin_response
-except ModuleNotFoundError:
-    from ert_shared.plugins.plugin_manager import hook_implementation
-    from ert_shared.plugins.plugin_response import plugin_response
+from ert import plugin
+from ert.plugins.plugin_manager import hook_implementation
 
 
 @hook_implementation
-@plugin_response(plugin_name="fmu_dataio")
+@plugin(name="fmu_dataio")
 def installable_workflow_jobs() -> dict:
     return {}

src/fmu/dataio/scripts/copy_preprocessed.py

@@ -14,20 +14,17 @@
 from pathlib import Path
 from typing import TYPE_CHECKING, Final
 
-from fmu.dataio import ExportPreprocessedData
+from ert.plugins.plugin_manager import hook_implementation
 
-try:
-    from ert.shared.plugins.plugin_manager import hook_implementation
-except ModuleNotFoundError:
-    from ert_shared.plugins.plugin_manager import hook_implementation
+from fmu.dataio import ExportPreprocessedData
 
 try:
     from ert.config import ErtScript
 except ImportError:
     from res.job_queue import ErtScript
 
 if TYPE_CHECKING:
-    from ert.shared.plugins.workflow_config import WorkflowConfigs
+    from ert.plugins.workflow_config import WorkflowConfigs
 
 logger: Final = logging.getLogger(__name__)
 

src/fmu/dataio/scripts/create_case_metadata.py

@@ -16,21 +16,17 @@
 from typing import TYPE_CHECKING, Final
 
 import yaml
+from ert.plugins.plugin_manager import hook_implementation
 
 from fmu.dataio import CreateCaseMetadata
 
-try:
-    from ert.shared.plugins.plugin_manager import hook_implementation
-except ModuleNotFoundError:
-    from ert_shared.plugins.plugin_manager import hook_implementation
-
 try:
     from ert.config import ErtScript
 except ImportError:
     from res.job_queue import ErtScript
 
 if TYPE_CHECKING:
-    from ert.shared.plugins.workflow_config import WorkflowConfigs
+    from ert.plugins.workflow_config import WorkflowConfigs
 
 logger: Final = logging.getLogger(__name__)
 logger.setLevel(logging.CRITICAL)

tests/test_integration/test_hook_implementations.py

@@ -1,6 +1,6 @@
 import os
 
-from ert.shared.plugins.plugin_manager import ErtPluginManager
+from ert.plugins.plugin_manager import ErtPluginManager
 
 import fmu.dataio.hook_implementations.jobs
 from fmu.dataio.scripts import copy_preprocessed, create_case_metadata