Deprecated errors since update

Hello,

We have update the plugin and got now ton of deprecated warning from php.

Deprecated: Using ${var} in strings is deprecated, use {$var} instead in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Required_categories.php?on line?186

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Required_categories::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Required_categories.php?on line?68

Deprecated: Using ${var} in strings is deprecated, use {$var} instead in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Prohibited_categories.php?on line?186

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Prohibited_categories::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Prohibited_categories.php?on line?68

Deprecated: Using ${var} in strings is deprecated, use {$var} instead in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Required_tags.php?on line?192

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Required_tags::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Required_tags.php?on line?68

Deprecated: Using ${var} in strings is deprecated, use {$var} instead in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Prohibited_tags.php?on line?192

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Prohibited_tags::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Prohibited_tags.php?on line?68

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Required_categories::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Required_categories.php?on line?68

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Prohibited_categories::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Prohibited_categories.php?on line?68

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Required_tags::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Required_tags.php?on line?68

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Prohibited_tags::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Prohibited_tags.php?on line?68

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Required_categories::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Required_categories.php?on line?68

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Prohibited_categories::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Prohibited_categories.php?on line?68

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Required_tags::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Required_tags.php?on line?68

Deprecated: Creation of dynamic property PublishPress\Checklists\Core\Requirement\Prohibited_tags::$hooks_initialized is deprecated in?/mnt/data0/httpdocs/wp-content/plugins/publishpress-checklistss/core/Requirement/Prohibited_tags.php?on line?68

It’s seem to come with the last update with prohibited tags and category.

Thank you.

Have a nice day.