mkdocs: 0.17.4 -> 0.17.5

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

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

These checks were done:

- built on NixOS
- /nix/store/fymw02lywin6zmf8i4ami2lm47vwj0wk-mkdocs-0.17.5/bin/.mkdocs-wrapped passed the binary check.
- /nix/store/fymw02lywin6zmf8i4ami2lm47vwj0wk-mkdocs-0.17.5/bin/mkdocs passed the binary check.
- 2 of 2 passed binary check by having a zero exit code.
- 2 of 2 passed binary check by having the new version present in output.
- found 0.17.5 with grep in /nix/store/fymw02lywin6zmf8i4ami2lm47vwj0wk-mkdocs-0.17.5
- directory tree listing: https://gist.github.com/270332eda9d075a9b90d1867c2326b6c
- du listing: https://gist.github.com/3e1c186f1be8c8e099b160f6d254b4e6

pkgs/development/tools/documentation/mkdocs/default.nix

@@ -4,13 +4,13 @@ with python.pkgs;
 
 buildPythonApplication rec {
   pname = "mkdocs";
-  version = "0.17.4";
+  version = "0.17.5";
 
   src = fetchFromGitHub {
     owner = "mkdocs";
     repo = "mkdocs";
     rev = version;
-    sha256 = "1hwvy6lnqqmzjia5vqd45jx6gwd9cvf7p5vw245c0cg27zkgpazp";
+    sha256 = "1l1dahpwqikmww3yx2m6j2134npk8vcikg9klsmpqjpza8nigwzw";
   };
 
   postPatch = ''