adding default deny keys also when there are no other keys

Tagging release 4.20.3.0 on branch 4.20

Updating pom.xml version numbers for release 4.22.0.0

Signed-off-by: Harikrishna Patnala <harikrishna.patnala@gmail.com>

Tagging release 4.20.2.0 on branch 4.20.

Updating pom.xml version numbers for release 4.21.0.0

Signed-off-by: Suresh Kumar Anaparti <sureshkumar.anaparti@gmail.com>

Tagging release 4.20.1.0 on branch 4.20.

Updating pom.xml version numbers for release 4.19.3.0

Signed-off-by: Daan Hoogland <daan@onecht.net>

Tagging release 4.19.2.0 on branch 4.19.

Updating pom.xml version numbers for release 4.20.0.0

Signed-off-by: João Jandre <48719461+JoaoJandre@users.noreply.github.com>

Tagging release 4.19.1.3 on branch 256e77a.