Nice find! I think this resembles the colouration of an adult female Deinopis subrufa, but I'm happy to go with Deinopidae (family) too. Some links: http://www.arachne.org.au/01_cms/details.asp?ID=1528 https://ednieuw.home.xs4all.nl/australian/Deinopidae/Deinopidae.html https://www.brisbaneinsects.com/brisbane_weavers/NetCasting.htm
A similar species appears to be Deinopis ravida, however, we could be out of range: https://www.brisbaneinsects.com/brisbane_weavers/CommonNetCasting.htm