Update git submodules

* Update docs/submodules/joid from branch 'stable/danube'
  - adding the snapd install before running snap command

    Change-Id: Ie29fef16a3552c0f62b446481704ba07ea189aa2
    Signed-off-by: Narinder Gupta <narinder.gupta@canonical.com>
    (cherry picked from commit 58de7a6e82d702ece924a772461a52c789f1e722)

diff --git a/docs/submodules/joid b/docs/submodules/joid
index be7994a..c29eb81 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit be7994a6cc4b6b686b353e3b2e935a06850fb653
+Subproject commit c29eb81f79a51fcf4a1f64039c63b3607ce73ffc