Update git submodules

* Update docs/submodules/dmaap/datarouter.git from branch 'master'
  to 5b4d074b2f317ffe2cd9cdae5292b0ea94b35fb3
  - Sonar bug fixes from CADI
    
    Change-Id: I6ab3235ea4afa25d85f43c12259c6d1617d403eb
    Issue-ID: DMAAP-1016
    Signed-off-by: efiacor <fiachra.corcoran@est.tech>
    
diff --git a/docs/submodules/dmaap/datarouter.git b/docs/submodules/dmaap/datarouter.git
index 0c678f6..5b4d074 160000
--- a/docs/submodules/dmaap/datarouter.git
+++ b/docs/submodules/dmaap/datarouter.git
@@ -1 +1 @@
-Subproject commit 0c678f67319d52a103268061355c3260cc94654a
+Subproject commit 5b4d074b2f317ffe2cd9cdae5292b0ea94b35fb3