gnu: tbb: Update to 2020.1.

* gnu/packages/tbb.scm (tbb): Update to 2020.1.

Author: mbakke

gnu/packages/tbb.scm

@@ -29,7 +29,7 @@
 (define-public tbb
   (package
     (name "tbb")
-    (version "2020.0")
+    (version "2020.1")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -38,7 +38,7 @@
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "11prl038dh8gprvn5f5p16af2rgh4lr3bfyyvavgfl3jdvsj2mqh"))
+                "1vrh1mr9jmj46as9y8j5q1hpvihzd1iq4jr1y4x9a19dw8b7yk56"))
               (modules '((guix build utils)))
               (snippet
                '(begin