tzdata: fix build on darwin

Version 2022f doesn't build on Darwin because its detection of whether
getrandom is available doesn't work. This has been fixed upstream, and
we can pull in the patches.

pkgs/data/misc/tzdata/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, buildPackages }:
+{ lib, stdenv, fetchurl, fetchpatch, buildPackages }:
 
 stdenv.mkDerivation rec {
   pname = "tzdata";
@@ -19,6 +19,17 @@ stdenv.mkDerivation rec {
 
   patches = lib.optionals stdenv.hostPlatform.isWindows [
     ./0001-Add-exe-extension-for-MS-Windows-binaries.patch
+  ] ++ [
+    (fetchpatch {
+      name = "fix-get-random-on-osx-1.patch";
+      url = "https://github.com/eggert/tz/commit/5db8b3ba4816ccb8f4ffeb84f05b99e87d3b1be6.patch";
+      hash = "sha256-FevGjiSahYwEjRUTvRY0Y6/jUO4YHiTlAAPixzEy5hw=";
+    })
+    (fetchpatch {
+      name = "fix-get-random-on-osx-2.patch";
+      url = "https://github.com/eggert/tz/commit/841183210311b1d4ffb4084bfde8fa8bdf3e6757.patch";
+      hash = "sha256-1tUTZBMT7V463P7eygpFS6/k5gTeeXumk5+V4gdKpEI=";
+    })
   ];
 
   outputs = [ "out" "bin" "man" "dev" ];