mpegpsmux: add stream-format and alignment to H.264 caps

8 jobs from psmux in 27 minutes and 37 seconds (queued for 1 second)
Status Job ID Name Coverage
  Preparation
passed #89214
gst indent

00:00:37

passed #89213
manifest

00:00:37

 
  Build
passed #89215
build fedora x86_64

00:07:16

 
  Test
passed #89216
check fedora

00:04:52

 
  Full Builds
passed #89217
build android arm64 api28

00:02:52

passed #89219
build cerbero cross win32

00:14:50

passed #89220
build cerbero cross win64

00:13:02

passed #89218
build cerbero fedora x86_64

00:06:14