librealsense: 2.11.1 -> 2.12.0

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/librealsense/versions.

These checks were done:

- built on NixOS

- 0 of 0 passed binary check by having a zero exit code.
- 0 of 0 passed binary check by having the new version present in output.
- found 2.12.0 with grep in /nix/store/px6ccyxxnyw1xklds9kcw8j2zdls3ays-librealsense-2.12.0
- directory tree listing: https://gist.github.com/e1d2253d92ab8f4bd8aa06a2fd223431
- du listing: https://gist.github.com/bafbf4e97cf5ec6f4471c2fe5f3d785a

pkgs/development/libraries/librealsense/default.nix

@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "librealsense-${version}";
-  version = "2.11.1";
+  version = "2.12.0";
 
   src = fetchFromGitHub {
     owner = "IntelRealSense";
     repo = "librealsense";
     rev = "v${version}";
-    sha256 = "1r27pdisg4hl4x23lrmykqfdc5agrc4pi161mhvzd1vjfkjrxbid";
+    sha256 = "1hmrp39x6c8i1l5d0hla0c8k6mf70sdyfjrlnwiqyi2p4s6phyd2";
   };
 
   buildInputs = [