New AMD microcode hopefully fixing CVE-2023-20593 for nixpkgs

nixpkgs.patch

diff --git a/pkgs/os-specific/linux/firmware/linux-firmware/default.nix b/pkgs/os-specific/linux/firmware/linux-firmware/default.nix
index a2229a0a60ce..025fcf049dd0 100644
--- a/pkgs/os-specific/linux/firmware/linux-firmware/default.nix
+++ b/pkgs/os-specific/linux/firmware/linux-firmware/default.nix
@@ -1,6 +1,4 @@
-let
-  source = import ./source.nix;
-in {
+{
   stdenvNoCC,
   fetchzip,
   lib,
@@ -8,11 +6,11 @@ in {

 stdenvNoCC.mkDerivation rec {
   pname = "linux-firmware";
-  version = source.version;
+  version = "2023-07-24";

   src = fetchzip {
-    url = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/snapshot/linux-firmware-${version}.tar.gz";
-    hash = source.sourceHash;
+    url = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/snapshot/linux-firmware-59fbffa9ec8e4b0b31d2d13e715cf6580ad0e99c.tar.gz";
+    hash = "sha256-WyO/+fxQljfo6OXLC8/BomGmKtUQaJ1Lt9V5Fdv172g=";
   };

   installFlags = [ "DESTDIR=$(out)" ];
@@ -20,10 +18,6 @@ stdenvNoCC.mkDerivation rec {
   # Firmware blobs do not need fixing and should not be modified
   dontFixup = true;

-  outputHashMode = "recursive";
-  outputHashAlgo = "sha256";
-  outputHash = source.outputHash;
-
   meta = with lib; {
     description = "Binary firmware collection packaged by kernel.org";
     homepage = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git";

this did not work, microcode on the AMD Ryzen 7 3700X 8-Core Processor remains 0x08701021