meta-agl-drm-lease: update weston bbappend

Update weston bbappend version to handle upgrade to YP scarthgap.
Further work is required to rebasing the DRM lease patches against
Weston 13.0.

Bug-AGL: SPEC-5123

Change-Id: Iea4753741c3cdda6145afbec2352c91b73295621
Signed-off-by: Scott Murray <scott.murray@konsulko.com>

diff --git a/meta-agl-drm-lease/recipes-graphics/weston/weston_10.0.%.bbappend b/meta-agl-drm-lease/recipes-graphics/weston/weston_13.0.%.bbappend
similarity index 100%
rename from meta-agl-drm-lease/recipes-graphics/weston/weston_10.0.%.bbappend
rename to meta-agl-drm-lease/recipes-graphics/weston/weston_13.0.%.bbappend