chore: update versions to 1.xx.xx scheme

Signed-off-by: Florent BENOIT <fbenoit@redhat.com>

Author: benoitf

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -50,17 +50,14 @@ body:
       label: Version
       description: What version of the software are you running?
       options:
-        - "1.19.2"
         - "1.22.0"
         - "next (development version)"
-        - "1.21.0"
-        - "1.20.0"
-        - "1.19.1"
-        - "1.18.0"
-        - "1.17.0"
-        - "1.16.2"
-        - "1.16.1"
-        - "1.16.0"
+        - "1.21.x"
+        - "1.20.x"
+        - "1.19.x"
+        - "1.18.x"
+        - "1.17.x"
+        - "1.16.x"
         - "1.15.x"
         - "1.14.x"
         - "1.13.x"