vulkan-demos: upgrade to latest revision

(From OE-Core rev: 3922eaf495f29be29cf685556935deb9649bae24)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/vulkan/vulkan-demos_git.bb

@@ -14,7 +14,7 @@ SRC_URI = "git://github.com/SaschaWillems/Vulkan.git \
            file://0001-Don-t-build-demos-with-questionably-licensed-data.patch \
            "
 UPSTREAM_CHECK_COMMITS = "1"
-SRCREV = "10a1ecaf7bbcbc316c83f7c52742baaba0ae2f45"
+SRCREV = "4818f85916bf88c1ca8c2ed1a46e0e758651489e"
 UPSTREAM_CHECK_GITTAGREGEX = "These are not the releases you're looking for"
 S = "${WORKDIR}/git"