block_visibility_groups 8.x-1.0-beta1

Changes since 8.x-1.0-alpha2:

• Renamed block_visibility_groups_dev to block_visibility_groups_admin and finished 3 core condition plugins
• #2608736: Create Visibility tests
• Issue #2608422 by tedbow: Remove StringTranslationTrait from ConditionsSetFormTrait to avoid CI test error
• #2574629 by joshi.rohit100, tedbow: Test for visibility group creation through UI
• #2567633: User should stay on group block layout page after configuring or deleting a block
• #2603896 by tedbow: Implement getCacheTags to ensure that blocks caches are invalidated when visibility group is saved
• #2603896 by dsnopek, tedbow: Use DependencyTrait's method to add dependency
• Add service to evaluate Groups so each group is only evaluated once.
• #2603896: Calculate Dependency for Condition Plugin based on Group selected
• Add @todo about clearing cache on group save