fix win

tests/automatic/mongo_db/insert_retrieve/cleanup_windows.bat

-SET database_name=data_%2F%20%5C%2E%22%24
+SET database_name=data_%%2F%%20%%5C%%2E%%22%%24
 SET mongo_exe="c:\Program Files\MongoDB\Server\4.2\bin\mongo.exe"
 
 echo db.dropDatabase() | %mongo_exe% %database_name%