Update git submodules

* Update docs/submodules/parser from branch 'master'
  - Merge "synchronize upstream about tosca-parser"
  - synchronize upstream about tosca-parser

    synchronize tosca-parser with version of 0.81

    JIRA: PARSER-128

    Change-Id: Ib00e391bd6c1f4c69776796eb7b28062f14b92fc
    Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>

diff --git a/docs/submodules/parser b/docs/submodules/parser
index c749134..30149ea 160000 (submodule)
--- a/docs/submodules/parser
+++ b/docs/submodules/parser
@@ -1 +1 @@
-Subproject commit c7491340551cdd9d757d63b4bbe79132506e386a
+Subproject commit 30149ea784b60fc12de3e8a70aca23a16011ca70