Bump `apiVersion` to 0.0.9

[alex-pakalniskis]

Undocumented in Graph Node v0.35.0: https://github.com/graphprotocol/graph-node/blob/bd0ab9a757fd38d22a8a8d812f0fb6d5ebea0989/graph/src/data/subgraph/api_version.rs#L22

[YaroShkvorets]

• bump apiVersion to 0.0.9
• bump specVersion to 1.2.0