uvc-gadget v0.4.0 This release is primarily composed of bugfixes, plus some tidying and improvements to uvc-gadget.sh. The improvements add an example of the configuration of a single Extension Unit in configfs, support for which is making its way upstream currently. Bugfixes: - Fixed a compile time warning - Fixed an issue in libcamera-source that resulted in high cpu usage - Fixed a potential buffer overflow in the jpg and slideshow sources Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>