4259 [camera_web] Add onCameraClosing implementation (cla: yes, waiting for tree to go green, p: camera, platform-web)

4265 [camera] Replace device info with new device_info_plus (cla: yes, waiting for tree to go green, p: camera)

4270 [ci.yaml] Add auto-roller (cla: yes, waiting for tree to go green)

4272 [camera] Fix a disposed camera controller throwing an exception when being replaced in the preview widget. (cla: yes, waiting for tree to go green, p: camera)

4273 [flutter_plugin_tools] Check ‘implements’ for unpublished plugins (cla: yes, waiting for tree to go green, p: camera, platform-web)

4278 [camera_web] Add an initial device orientation event (cla: yes, waiting for tree to go green, p: camera, platform-web)