v8.2.0

Common

• FOLSPRINGS-164 Add "Update NEWS.md" to PULL_REQUEST_TEMPLATE.md

Testing submodule

• FOLSPRINGB-152 Implement TESTCONTAINERS_POSTGRES_IMAGE
• FOLSPRINGS-166 Upgrade classgraph dependency from 4.8.90 to 4.8.175 fixing CVE-2021-47621

System user submodule

• FOLSPRINGS-157 Add missing property to authn client, to allow for fail-on-unknown-properties in consuming modules

i18n submodule

• FOLSPRINGB-160 Make translation service accept multiple keys
• FOLSPRINGS-163 Wrong Locale in TranslationService and TranslationMap
• FOLSPRINGS-169 Add additional convenience methods for providing locales, timezones, and using non-predefined templates