fix Postgres example · haskell-beam/beam@801a842

• Couldn't match type ‘PgColumnSchemaSyntax’ with ‘Postgres’

• Couldn't match type ‘PgCommandSyntax’ with ‘Postgres’

• Couldn't match type ‘PgCommandSyntax’ with ‘Postgres’

• Couldn't match type ‘PgCommandSyntax’ with ‘PgDataTypeSyntax’

• Couldn't match type ‘PgColumnSchemaSyntax’ with ‘PgCommandSyntax’

Process completed with exit code 1.

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

The import of ‘Data.Monoid’ is redundant

The import of ‘Data.Function’ is redundant

Pattern match is redundant

The import of ‘Data.Monoid’ is redundant

The import of ‘Any’ from module ‘Data.Semigroup’ is redundant

This binding for ‘field’ shadows the existing binding

This binding for ‘field’ shadows the existing binding

Module ‘Data.Aeson’ does not export ‘json’

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