Updating pom.xml version numbers for release 4.22.0.0

Signed-off-by: Harikrishna Patnala <[email protected]>

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 <[email protected]>

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 <[email protected]>

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 <[email protected]>

Tagging release 4.19.1.3 on branch 256e77a.

Tagging release 4.18.2.5 on branch 966b75d.

Updating pom.xml version numbers for release 4.19.1.2

Signed-off-by: Daan Hoogland <[email protected]>