virtualbox: 6.1.28 -> 6.1.30

The guest additions currently don't build, either before or after this
change, but upgrading is still good because it gets us Linux 5.16
compatibility for the kernel module.

pkgs/applications/virtualization/virtualbox/default.nix

@@ -23,14 +23,14 @@ let
   buildType = "release";
   # Use maintainers/scripts/update.nix to update the version and all related hashes or
   # change the hashes in extpack.nix and guest-additions/default.nix as well manually.
-  version = "6.1.28";
+  version = "6.1.30";
 in stdenv.mkDerivation {
   pname = "virtualbox";
   inherit version;
 
   src = fetchurl {
     url = "https://download.virtualbox.org/virtualbox/${version}/VirtualBox-${version}.tar.bz2";
-    sha256 = "8d34993d8e9c0cf35e7bd44dd26c8c757f17a3b7d5a64052f945d00fd798ebfe";
+    sha256 = "3c60a29375549ffc148aaebe859be91b27c19d6fa2deefde1373c4f6da8f18ef";
   };
 
   outputs = [ "out" "modsrc" ];

pkgs/applications/virtualization/virtualbox/extpack.nix

@@ -12,7 +12,7 @@ fetchurl rec {
     # Manually sha256sum the extensionPack file, must be hex!
     # Thus do not use `nix-prefetch-url` but instead plain old `sha256sum`.
     # Checksums can also be found at https://www.virtualbox.org/download/hashes/${version}/SHA256SUMS
-    let value = "85d7858a95d802c41cb86e1b573dc501d782e5d040937e0d8505a37c29509774";
+    let value = "a5ee3e693a0470a77735556a77a09aa83bfc48181998b9b21b1af82ef1d11c2a";
     in assert (builtins.stringLength value) == 64; value;
 
   meta = {

pkgs/applications/virtualization/virtualbox/guest-additions/default.nix

@@ -27,7 +27,7 @@ in stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "http://download.virtualbox.org/virtualbox/${version}/VBoxGuestAdditions_${version}.iso";
-    sha256 = "eab85206cfb9d7087982deb2635d19a4244a3c6783622a4817fb1a31e48e98e5";
+    sha256 = "d324d2d09d8dd00b1eb3ef3d80ab2e1726998421d13adc0d2a90e05d355aaa5c";
   };
 
   KERN_DIR = "${kernel.dev}/lib/modules/${kernel.modDirVersion}/build";