python-raven: update to 6.4.0.
python-raven: update to 6.4.0.

Closes: #10400 [via git-merge-pr]

necrophcodr/void-packages,floGik/void-packages,floGik/void-packages,coredumb/void-packages,coredumb/void-packages,coredumb/void-packages,necrophcodr/void-packages,coredumb/void-packages,floGik/void-packages,floGik/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,floGik/void-packages,NeoChontrix/void-packages,coredumb/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,coredumb/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,floGik/void-packages