[FIX] pythonjsonlogger external dependency in setup.py

setup/logging_json/setup.py

@@ -2,5 +2,11 @@ import setuptools
 
 setuptools.setup(
     setup_requires=['setuptools-odoo'],
-    odoo_addon=True,
+    odoo_addon={
+        'external_dependencies_override': {
+            'python': {
+                'pythonjsonlogger': 'python-json-logger',
+            },
+        },
+    },
 )