gstreamer: Implement `FromIterator<Caps>` and `Extend<Caps>` for `Caps`

This allows easily generating new/extending existing caps from an iterator.

added Needs backport label

assigned to @gstreamer-merge-bot

mentioned in merge request gst-plugins-rs!932 (merged)

mentioned in commit slomo/gstreamer-rs@56b9b660

added 1 commit

• 56b9b660 - gstreamer: Implement `FromIterator<Caps>` and `Extend<Caps>` for `Caps`

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assigned to @slomo and unassigned @gstreamer-merge-bot

I couldn't merge this branch: CI failed!

assigned to @gstreamer-merge-bot and unassigned @slomo

merged

mentioned in commit slomo/gstreamer-rs@432ef5cc

removed Needs backport label