Update git submodules

* Update docs/submodules/aaf/certservice.git from branch 'master'
  to 8f12ccef21cfd6c4849753af970e02bee3ab0c4b
  - Merge "Fix sonar issue CertificationController"
  - Fix sonar issue CertificationController
    
    Issue-ID: AAF-1118
    Signed-off-by: Edyta Krukowska <edyta.krukowska@nokia.com>
    Change-Id: Ib902b1d44abb1cf0741a10f73742014b5185d7b8
    
diff --git a/docs/submodules/aaf/certservice.git b/docs/submodules/aaf/certservice.git
index 9137fca..8f12cce 160000
--- a/docs/submodules/aaf/certservice.git
+++ b/docs/submodules/aaf/certservice.git
@@ -1 +1 @@
-Subproject commit 9137fcaf5da7f2de5d046ad9197f754a741dfbde
+Subproject commit 8f12ccef21cfd6c4849753af970e02bee3ab0c4b