Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "testing for raise in config.py"
  - testing for raise in config.py

    Change-Id: I3b4f21307af55c8f32332502ddcb9315074b7202
    Signed-off-by: utkarshrai98 <utkarshrai98@gmail.com>
    Testing for the raise in test_config.py

    Change-Id: Iea7ae53b5eac51d3e3eaf9f23d6e8cd79919f103
    Signed-off-by: utkarshrai98 <utkarshrai98@gmail.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 7063d8e..1fc5d49 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 7063d8ea965d35b3c3afd0b9915fdb5bbc009fdf
+Subproject commit 1fc5d49f8aa9eb44e615afdd597827be48cf517a