Update git submodules

* Update docs/submodules/opera from branch 'stable/danube'
  - Adding labels

    Change-Id: I006b8d070f0be1d15554c989f1a781ce2c566a0a
    Signed-off-by: ShubhamRathi <shubhamiiitbackup@gmail.com>
    (cherry picked from commit 59feacf3bf7a46819b5884bd5ed25b73c5334da7)

diff --git a/docs/submodules/opera b/docs/submodules/opera
index 12b839c..bcc249f 160000 (submodule)
--- a/docs/submodules/opera
+++ b/docs/submodules/opera
@@ -1 +1 @@
-Subproject commit 12b839c18d26d44b76de29c682d5fa25b086fde7
+Subproject commit bcc249f315dca13528dbd100142370b1e97681e3