Bug 1850: LTS Support

Pin version of regexp to match IM

Change-Id: I9e55a0e309965c431a69254b21d33906a0ad449c
Signed-off-by: beierlm <mark.beierl@canonical.com>
diff --git a/requirements.txt b/requirements.txt
index c0c3d65..bd34c9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -236,7 +236,7 @@
     #   openstacksdk
     #   oslo.config
     #   yq
-regex==2022.1.18
+regex==2021.11.10
     # via
     #   -r requirements.in
     #   pyangbind