ccache: fix download hash

It came from commit 11870cb (PR #162139).
It's unclear what went wrong; at some moment the hash did match,
so it might be modification of the tag upstream
or some imperfection in the way we canonicalize.

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

@@ -21,7 +21,7 @@ let ccache = stdenv.mkDerivation rec {
     owner = pname;
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-h1lhR8P4aNM6tQCodhpEIXwA0bUQ26B3aoiQeX2siCU=";
+    sha256 = "011i1aczv4nixq4gvjixcd73df2xplcrldfv0w12yaz5iy4vaw6b";
   };
 
   outputs = [ "out" "man" ];