Update git submodules

* Update barbican-tempest-plugin from branch 'master'
  to 82a83c0c759e0cc168022bc03ca3461fe3417358
  - Remove Ubuntu 22.04 job from gate

    Ubuntu 22.04 was removed from supported OS versions during 2025.2 cycle
    so no longer needs to be tested.

    Change-Id: I242f75a4a77af1c81195ba77559160662643a1e6
    Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

diff --git a/barbican-tempest-plugin b/barbican-tempest-plugin
index a80ab1dc3e0eb02b144f524913e31d00aab09d6b..82a83c0c759e0cc168022bc03ca3461fe3417358 160000 (submodule)
--- a/barbican-tempest-plugin
+++ b/barbican-tempest-plugin
@@ -1 +1 @@
-Subproject commit a80ab1dc3e0eb02b144f524913e31d00aab09d6b
+Subproject commit 82a83c0c759e0cc168022bc03ca3461fe3417358