Update and sanitize dependencies

Maven Resolver demos both used Maven but declared different versions, lift to parent module maven version. Also, update the dependencies where applicable.

Changes:

• update demos Maven version in demos to 3.8.4
• update resolver impl Commons Lang to 3.12.0 (was 3.8.1)
• update resolver named locks Hazelcast to 5.0.1 (was 4.1.2)
• update transport http httpCore to 4.4.15 (was 4.4.14)
• update transport wagon Wagon to 3.5.1 (was 3.4.3)
• update slf4j (globally) to 1.7.36 (was 1.7.32)