v21.4 "Xylobium"

• [chg] seed: 3.12.0
• [chg] coffig: 3.1.7
• [chg] business: 4.4.0
• [chg] elasticsearch-addon: 3.1.0
• [chg] feign-addon: 1.5.0
• [chg] flyway-addon: 2.0.0
• [chg] jpa-addon: 4.2.0
• [chg] oauth-addon: 3.2.0
• [chg] redis-addon: 2.1.0
• [chg] seedstack-maven-plugin: 2.8.0