cerbero: Fix for removed loop param of PriorityQueue()

It's deprecated since 3.8 and causes hard error as of 3.10

Part-of: <gstreamer/cerbero!756>
12 jobs for !756 with asyncio-fix in 65 minutes and 52 seconds (queued for 5 seconds)
detached
Status Name Job ID Coverage
  Build Docker
passed android fedora image #14774131

00:00:29

passed fedora image #14774130

00:00:30

 
  Build
passed cerbero deps cross-android universal #14774133
gstreamer

00:35:52

passed cerbero deps cross-ios universal #14774138
gst-ios-14.3

00:49:16

passed cerbero deps cross-macos universal #14774137
gst-macos-11.1

01:05:03

passed cerbero deps cross-windows x86 #14774134
gstreamer

00:19:41

passed cerbero deps cross-windows x86_64 #14774135
gstreamer

00:19:14

passed cerbero deps fedora x86_64 #14774132
gstreamer

00:07:25

passed cerbero deps macos x86_64 #14774136
gst-macos-11.1

00:50:01

passed cerbero deps msvc x86_64 #14774139
docker windows gstreamer-windows 1809

00:46:11

 
  Integrate
passed cerbero cross-android universal examples #14774140

00:09:49

passed cerbero cross-ios universal examples #14774141
gst-ios-14.3

00:05:03