- Update to new snapshot 1.3.g50

OBS-URL: https://build.opensuse.org/package/show/X11:Wayland/spirv-headers?expand=0&rev=26

_service

@@ -3,6 +3,7 @@
  		<param name="scm">git</param>
 		<param name="url">https://github.com/KhronosGroup/SPIRV-Headers</param>
 		<param name="filename">spirv-headers</param>
+		<param name="revision">17da9f8231f78cf519b4958c2229463a63ead9e2</param>
 		<param name="parent-tag">02ffc719aa9f9c1dce5ce05743fb1afe6cbf17ea</param>
 		<param name="versionformat">1.3.g@TAG_OFFSET@</param>
 	</service>