937053 < 937052

Removed the previous migration of AppPromition

937052 < 937051

Migrate AppPromotion from using reserves to locks

936050 < 930032

pallet-collator-selection:

Added use of Collator Selection pallet, along with Session, Authorship, and Identity:
- Aura authorities become Collator Selection's invulnerables
- Session keys are put, and the first session is started

930032 < 924010

pallet-common:

Removed the previous migration of:
- if the storage version is below 1, all collections from storage CollectionById of struct Collection version 1 to version 2, consisting of:
  - displacing offchain_schema, variable_on_chain_schema, const_on_chain_schema, schema_version into properties
  - displacing access, mint_mode into permissions.access, permissions.mint_mode
  - adding external_collection flag
Added unconditional bump of the storage version to 1
Replaced returned weight 0 with Weight::zero()

pallet-nonfungible:

Removed the previous migration of:
- if the storage version is below 1, all items from storage TokenData of struct ItemData version 1 to version 2, consisting of:
  - displacing const_data, variable_data into properties
  - adding permission for the collection admin to set the immutable _old_constData property
Added unconditional bump of the storage version to 1
Replaced returned weight 0 with Weight::zero()

pallet-refungible:

Removed the previous migration of:
- if the storage version is below 1, all items from storage TokenData of struct ItemData version 1 to version 2, consisting of:
  - removing variable_data
Added:
- if the storage version is below 2, cleaning of all storage of now-redundant TokenData
- unconditional bump of the storage version to 2
Replaced returned weight 0 with Weight::zero()

pallet-unique:

Removed the previous migration of:
- unconditional cleaning of all storage of VariableMetaDataBasket (cache for sponsoring setting deprecated variable metadata)