mergify deprecation warnings on CI runs

[sielicki]

1 potential rule

‼️ Action Required ‼️

The configuration uses the deprecated allow_merging_configuration_change attribute of the queue action in one or more pull_request_rules. It must be removed from the configuration.
A brownout is planned on September 16th, 2024.
For more information: https://docs.mergify.com/configuration/file-format/#queue-rules
‼️ Action Required ‼️

The configuration uses the deprecated merge_method attribute of the queue action in one or more pull_request_rules. It must now be used under the queue_rules configuration.
A brownout is planned on September 16th, 2024.
This option will be removed on October 21st, 2024.
For more information: https://docs.mergify.com/configuration/file-format/#queue-rules
Rule: merge using the merge queue (queue)

 -draft [📌 queue requirement]
 label~=merge-queue|dependencies
 -closed [📌 queue requirement]
 -conflict [📌 queue requirement]
 base=master
 any of: [📌 queue -> configuration change requirements]
 -mergify-configuration-changed
 check-success = Configuration changed
 any of: [🔀 queue conditions]
 all of [📌 queue conditions of queue default]
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from https://github.com/nix-community/nixos-generators/pull/400/checks