📝 Make "setuptools entrypoint" term generic

This feature grew out of `setuptools` but the modern interface for
extracting this information from the distribution package metadata
is `importlib.metadata`. So the patch attempts to reflect this in
the documentation messaging.

Refs:
* https://docs.python.org/3/library/importlib.metadata.html#entry-points
* https://packaging.python.org/en/latest/guides/creating-and-discovering-plugins/#using-package-metadata
* https://packaging.python.org/en/latest/specifications/entry-points/#entry-points

src/_pytest/config/__init__.py

@@ -1290,7 +1290,8 @@ class Config:
         self.pluginmanager.rewrite_hook = hook
 
         if os.environ.get("PYTEST_DISABLE_PLUGIN_AUTOLOAD"):
-            # We don't autoload from setuptools entry points, no need to continue.
+            # We don't autoload from distribution package entry points,
+            # no need to continue.
             return
 
         package_files = (
@@ -1381,8 +1382,8 @@ class Config:
         self._consider_importhook(args)
         self.pluginmanager.consider_preparse(args, exclude_only=False)
         if not os.environ.get("PYTEST_DISABLE_PLUGIN_AUTOLOAD"):
-            # Don't autoload from setuptools entry point. Only explicitly specified
-            # plugins are going to be loaded.
+            # Don't autoload from distribution package entry point. Only
+            # explicitly specified plugins are going to be loaded.
             self.pluginmanager.load_setuptools_entrypoints("pytest11")
         self.pluginmanager.consider_env()
 

src/_pytest/helpconfig.py

@@ -243,7 +243,7 @@ def getpluginversioninfo(config: Config) -> List[str]:
     lines = []
     plugininfo = config.pluginmanager.list_plugin_distinfo()
     if plugininfo:
-        lines.append("setuptools registered plugins:")
+        lines.append("registered third-party plugins:")
         for plugin, dist in plugininfo:
             loc = getattr(plugin, "__file__", repr(plugin))
             content = f"{dist.project_name}-{dist.version} at {loc}"