change GlossaryCommon to not inherit from PluginManager

Two `Glossary` classes still inherit from it, not a breaking change

pyglossary/glossary.py

@@ -24,6 +24,8 @@
 from time import perf_counter as now
 from typing import TYPE_CHECKING
 
+from pyglossary.plugin_manager import PluginManager
+
 from .core import log
 from .glossary_v2 import ConvertArgs, Error, GlossaryCommon, ReadError, WriteError
 from .sort_keys import lookupSortKey
@@ -39,7 +41,7 @@
 __all__ = ["Glossary"]
 
 
-class Glossary(GlossaryCommon):
+class Glossary(GlossaryCommon, PluginManager):
 	GLOSSARY_API_VERSION = "1.0"
 
 	def __init__(
@@ -170,7 +172,7 @@ def detectInputFormat(  # type: ignore # pyright: ignore[reportIncompatibleMetho
 		**kwargs,
 	) -> DetectedFormat | None:
 		try:
-			return GlossaryCommon.detectInputFormat(*args, **kwargs)
+			return PluginManager.detectInputFormat(*args, **kwargs)
 		except Error as e:
 			log.critical(str(e))
 			return None
@@ -182,7 +184,7 @@ def detectOutputFormat(  # type: ignore # pyright: ignore[reportIncompatibleMeth
 		**kwargs,
 	) -> DetectedFormat | None:
 		try:
-			return GlossaryCommon.detectOutputFormat(*args, **kwargs)
+			return PluginManager.detectOutputFormat(*args, **kwargs)
 		except Error as e:
 			log.critical(str(e))
 			return None

pyglossary/glossary_v2.py

@@ -112,7 +112,7 @@ class ConvertArgs:
 	infoOverride: dict[str, str] | None = None
 
 
-class GlossaryCommon(GlossaryInfo, GlossaryProgress, PluginManager):  # noqa: PLR0904
+class GlossaryCommon(GlossaryInfo, GlossaryProgress):  # noqa: PLR0904
 
 	"""
 	The signature of 'convert' method is different in glossary_v2.py
@@ -1230,7 +1230,7 @@ def convertV2(self, args: ConvertArgs) -> str:
 # ________________________________________________________________________#
 
 
-class Glossary(GlossaryCommon):
+class Glossary(GlossaryCommon, PluginManager):
 
 	"""
 	init method is inherited from PluginManager