Support `AttentionalAggregation` for `HeteroConv` · pyg-team/pytorch_geometric#7414

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1 - Priority P1featurehelp wanted

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説明

🚀 The feature, motivation and pitch

use pyg == 2.3.0

conv = HeteroConv({
    edge_type: GraphConv(-1, second_channels) for edge_type in metadata[1]
}, aggr='attentional')

In pyg 2.3.0, can not use aggr.AttentionalAggregation to aggregation node feature from different edge type in above code, right ? (may i thought is wrong...), so can you give me some advice on how to integrate node features from different edges in pyg ?

Alternatives

No response

Additional context