Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Apex: Fixes promotion per Apex branch"
  - Apex: Fixes promotion per Apex branch

    Now that we branched for Gambia, we want Gambia code to handle promotion
    for Queens snapshots, while Apex master is responsible for rocky/master
    promotions.

    Change-Id: I6f4fffabd728d72fe9b6b2e5a983f6d8762272a9
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index ab0a8c4..d428147 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit ab0a8c44bce2d28c3aee170a44064a40418dbd9e
+Subproject commit d428147680957f31c43983a3a4e50842e17aa12c