babeltrace: 1.5.5 -> 1.5.6

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

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

These checks were done:

- built on NixOS
- /nix/store/yxcdc62l069aab5xvimnw7f9d3fz29j0-babeltrace-1.5.6/bin/babeltrace passed the binary check.
- /nix/store/yxcdc62l069aab5xvimnw7f9d3fz29j0-babeltrace-1.5.6/bin/babeltrace-log passed the binary check.
- 2 of 2 passed binary check by having a zero exit code.
- 0 of 2 passed binary check by having the new version present in output.
- found 1.5.6 with grep in /nix/store/yxcdc62l069aab5xvimnw7f9d3fz29j0-babeltrace-1.5.6
- directory tree listing: https://gist.github.com/9875bc1c26bf929e990b17f57af0763f
- du listing: https://gist.github.com/26783ad253c0a7a6e667c65d060dd279

pkgs/development/tools/misc/babeltrace/default.nix

@@ -1,11 +1,11 @@
 { stdenv, fetchurl, pkgconfig, glib, libuuid, popt, elfutils }:
 
 stdenv.mkDerivation rec {
-  name = "babeltrace-1.5.5";
+  name = "babeltrace-1.5.6";
 
   src = fetchurl {
     url = "https://www.efficios.com/files/babeltrace/${name}.tar.bz2";
-    sha256 = "1b78fam1gbsalga5pppn8ka461q35a9svz3mlbv82ssakdw4d4a0";
+    sha256 = "1dxv2pwyqx2p7kzhcfansij40m9kanl85x2r68dmgp98g0hvq22k";
   };
 
   nativeBuildInputs = [ pkgconfig ];