package/bubblewrap: bump to version 0.6.2

This version now allows to disable building tests, which allows dropping
the patch "0001-meson-add-tests-option.patch", and contains a few minor
fixes. Release notes can be found at:

  https://github.com/containers/bubblewrap/releases/tag/v0.6.2



Signed-off-by: Adrian Perez de Castro <aperez@igalia.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>