Systemtap: 4.1 -> 4.5

pkgs/development/tools/profiling/systemtap/default.nix

···
   ## fetchgit info
   url = "git://sourceware.org/git/systemtap.git";
   rev = "release-${version}";
-  sha256 = "0mmpiq7bsrwhp7z07a1pwka4q6d2fbmdx5wp83nxj31rvdxhqwnw";
-  version = "4.1";
+  sha256 = "sha256-3LgqMBCnUG2UmsekaIvV43lBpSPEocEXmFV9WpE7wE0=";
+  version = "4.5";
 
   inherit (kernel) stdenv;