pr_3953.prdoc

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title: Adapt RemoteExternalities and its related types to be used with generic hash parameters

doc:
  - audience: Node Dev
    description: |
      Modify `RemoteExternalities`, `Mode`, `OnlineConfig` and`Snapshot` to rely now on generic parameter, instead of `BlockT`.
      Adjust in consequence their implementation to be compatible with types `Hash`, or if possible any generic.
      Adapt Builder struct and implementation for these bounds.

crates: 
- name: frame-remote-externalities
  bump: major
- name: pallet-state-trie-migration
  bump: patch
- name: try-runtime-cli
  bump: patch