Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Apex: remove any leftover tmp .build dir

    Change-Id: Icac677ac9e17b4b4ae4e7fc82139587cc201bcb6
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 7815bb5..d32f1a2 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 7815bb5f470e717ff42c1ee5a18286fd74dd42c9
+Subproject commit d32f1a2fb39d8fcca1fe58e0ac3c8b2883eee986