gnu: spirv-headers: Update to 1.3.7.

* gnu/packages/vulkan.scm (spirv-headers): Update to 1.3.7.

gnu/packages/vulkan.scm

@@ -41,22 +41,18 @@
   #:use-module (gnu packages xorg))
 
 (define-public spirv-headers
-  ;; Keep updated in accordance with
-  ;; https://github.com/google/shaderc/blob/known-good/known_good.json
-  (let ((commit "8bea0a266ac9b718aa0818d9e3a47c0b77c2cb23")
-        (revision "4"))
   (package
     (name "spirv-headers")
-      (version (string-append "0.0-" revision "." (string-take commit 9)))
+    (version "1.3.7")
     (source
      (origin
        (method git-fetch)
        (uri (git-reference
              (url "https://github.com/KhronosGroup/SPIRV-Headers")
-               (commit commit)))
+             (commit version)))
        (sha256
         (base32
-           "01qyjghjz42hmyw9111zz20a1paf37ps39p4xbj8abjba65d8lqx"))
+         "0m56smanfcczjfif4yfcqhjj4d4sc088kwg6dgia8fwdsjavdm4d"))
       (file-name (string-append name "-" version "-checkout"))))
     (build-system cmake-build-system)
     (arguments
@@ -81,7 +77,7 @@ and for the GLSL.std.450 extended instruction set.
 @end itemize\n")
     (license (license:x11-style
               (string-append "https://github.com/KhronosGroup/SPIRV-Headers/blob/"
-                               commit "/LICENSE"))))))
+                             version "/LICENSE")))))
 
 (define-public spirv-tools
   (package