Backport of "windows: checkout the correct branch of gst-build for stable branch" into 1.16
requested to merge tpm/gst-ci:backport-mr-240-into-1.16-alatiera-windows-gst-build-checkout into 1.16
Backport of !240 (merged) "windows: checkout the correct branch of gst-build for stable branch".
Commits:
- cceda617 windows: checkout the correct branch of gst-build for stable branch