Update git submodules

* Update octavia from branch 'master'
  to f42860a7302b521dd2895a22535dbd1de1f912f0
  - Remove url tags from README

    The tags framework has been discontinued for a long time.

    https://governance.openstack.org/tc/reference/tags/

    https://governance.openstack.org/tc/resolutions/20211224-tags-framework-removal.html

    Change-Id: Ib7713f9d42a31d4da075537116334f2b21e8b276
    Signed-off-by: Ivan Anfimov <lazekteam@gmail.com>

diff --git a/octavia b/octavia
index bf16995711034b65a761eb85fcd786eb53edc0d4..f42860a7302b521dd2895a22535dbd1de1f912f0 160000 (submodule)
--- a/octavia
+++ b/octavia
@@ -1 +1 @@
-Subproject commit bf16995711034b65a761eb85fcd786eb53edc0d4
+Subproject commit f42860a7302b521dd2895a22535dbd1de1f912f0