[Haskell-cafe] Disable default-to-DeriveAnyClass warning with DerivingStrategies?

[Theodore Lief Gannon]

Is there a flag to disable this warning? There's no mystery or surprise to
the default, but if I want all three of GeneralizedNewtypeDeriving,
DeriveAnyClass and DerivingStrategies enabled, I'm currently stuck with a
warning for e.g. deriving (Generic, ToJSON). The only way to use strategy
keywords is on standalone deriving lines, which seems unnecessarily verbose.
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