macOS CI corrections

[farhangnaderi]

Description

• Adding macOS Arch arm64 to the actions
• Gstreamer version update

Checklist:

• Review Contribution Guidelines.
• Review Code of Conduct.
• I have tested my changes.

Related Issue

Fixes: #12599 and #12597

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

cc: @HTRamsey @DonLakeFlyer @julianoes

[DonLakeFlyer]

GStreamer version should stay at 1.18.6 for stability. Can't bump something major like GStreamer in a patch release.

[DronecodeBot]

This pull request has been mentioned on Discussion Forum for PX4, Pixhawk, QGroundControl, MAVSDK, MAVLink. There might be relevant details there:

https://discuss.px4.io/t/unable-to-start-qgroundcontrol-on-macbook-pro-m4/44562/4

[julianoes]

How does this fix the gstreamer issue?

[farhangnaderi]

How does this fix the gstreamer issue?

Apparently, Gstreamer was blocking the startup of QGC on arm64 (Apple Silicon) architecture.

I tested the app with Gstreamer on Apple Silicon with this command:

gst-launch-1.0 -v videotestsrc ! videoconvert ! x264enc tune=zerolatency bitrate=500 speed-preset=ultrafast ! rtph264pay ! udpsink host=127.0.0.1 port=5600

[julianoes]

Oh, this was only on arm, got it.