community/obs-studio: enable pipewire plugin

- enable pipewire plugin to allow screncasting on Wayland using
  xdg-desktop-portal
- add version override, so that version displayed in the program is not
  0.0.1
8 jobs for !22353 with community/obs-studio in 3 minutes and 21 seconds (queued for 1 second)
latest detached
Status Job ID Name Coverage
  Lint
passed #415539
docker-alpine x86_64
lint

00:00:18

 
  Build
passed #415544
docker-alpine ci-build aarch64
build-aarch64

00:03:00

passed #415546
docker-alpine ci-build armhf
build-armhf

00:00:21

passed #415545
docker-alpine ci-build armv7
build-armv7

00:02:41

passed #415543
docker-alpine ci-build ppc64le
build-ppc64le

00:02:57

passed #415542
docker-alpine ci-build s390x
build-s390x

00:00:22

passed #415541
docker-alpine ci-build x86
build-x86

00:01:24

passed #415540
docker-alpine ci-build x86_64
build-x86_64

00:00:58