Update git submodules

* Update docs/submodules/parser from branch 'master'
  - Local Docs Builds

    Added local sphinx documentation build following this guide:
      https://docs.opnfv.org/en/latest/how-to-use-docs/local-build-transition.html

    Change-Id: I8d0c430e6fff46dc1bf869fd54f304b0994aca8a
    Signed-off-by: Trevor Bramwell <tbramwell@linuxfoundation.org>

diff --git a/docs/submodules/parser b/docs/submodules/parser
index 66b2866..26fc7a7 160000 (submodule)
--- a/docs/submodules/parser
+++ b/docs/submodules/parser
@@ -1 +1 @@
-Subproject commit 66b286618ed9ddb93fcaeebf999a5e48ddfa9768
+Subproject commit 26fc7a76a06c83eae2a75a262953b3d8d9bb00b3