community/py3-praw: upgrade to 7.4.0

Necessary for Giara to be able to reauthenticate with the same
credentials after the initial login. Crashes without this.
8 jobs for !26358 with giara-1.0 in 13 minutes and 37 seconds (queued for 7 seconds)
detached
Status Job ID Name Coverage
  Lint
passed lint #511513
docker-alpine x86_64

00:00:19

 
  Build
passed build-aarch64 #511518
docker-alpine ci-build aarch64

00:03:45

passed build-armhf #511520
docker-alpine ci-build armhf

00:04:35

passed build-armv7 #511519
docker-alpine ci-build armv7

00:04:37

passed build-ppc64le #511517
docker-alpine ci-build ppc64le

00:04:54

passed build-s390x #511516
docker-alpine ci-build s390x

00:00:46

passed build-x86 #511515
docker-alpine ci-build x86

00:01:47

passed build-x86_64 #511514
docker-alpine ci-build x86_64

00:01:05