openh264: Conditionally support the main and high profiles

openh264 added main/high profile support upstream after the 1.8.0
release, so detect a version higher than that and support main/high
stream input
10 jobs from openh264-b-frames in 15 minutes and 45 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Preparation
passed #93514
gst indent

00:00:19

passed #93513
manifest

00:00:37

 
  Build
passed #93515
build fedora x86_64

00:02:58

 
  Test
passed #93526
check fedora

00:03:18

failed #93516
check fedora

00:03:31

canceled #93525
check fedora

00:00:01

 
  Full Builds
passed #93517
build android arm64 api28

00:03:14

passed #93519
build cerbero cross win32

00:08:50

passed #93520
build cerbero cross win64

00:06:29

passed #93518
build cerbero fedora x86_64

00:06:47