exclude nb build on all machines except when " -t build-notebooks" is given

This should fix the build problem on AMS CI

Author: melund

conf.py

@@ -184,12 +184,12 @@ def tagged_commit():
 nb_execution_timeout = 150
 nb_execution_mode = "auto"
 
-if not sys.platform.startswith("win"):
+if not tags.has("build-notebooks"):
     nb_execution_excludepatterns = [
         # Exclude the parameter opt from automatic execution.
         # It will not run on non-Windows machines since it needs the AnyBody
         # conda package
-        'Parameter_studies_and_optimization/lesson3/lesson3.ipynb'
+        '**/*.ipynb',
     ]