Update dependency pg to v7.18.2

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
pg	dependencies	minor	7.14.0 -> 7.18.2

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Release Notes

brianc/node-postgres

v7.18.2

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v7.18.1

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v7.18.0

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• This will likely be the last minor release before [email protected].
• This version contains a few bug fixes and adds a deprecation warning for a pending change in 8.0 which will flip the default behavior over SSL from rejectUnauthorized from false to true making things more secure in the general use case.

v7.17.1

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v7.17.0

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• Add support for idle_in_transaction_session_timeout option.

v7.16.1

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v7.16.0

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• Add optional, opt-in behavior to test new, faster query pipeline. This is experimental, and not documented yet. The pipeline changes will grow significantly after the 8.0 release.

v7.15.2

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v7.15.1

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v7.15.0

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• Change repository structure to support lerna & future monorepo development.
• Warn about deprecation for calling constructors without new.

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[petemoore]

It looks like the 7.18.2 release is from 20 February 2020. Not sure why it is showing up now (maybe only just published to npm?). I also see there is a version 8.3.3 so I wonder if we should be using that instead?

@imbstack What do you think?

[djmitche]

I think renovate treats major updates as distinct PRs from minor/patch updates in our configuration.

Also, it's not clear what the breaking change was in v8 -- https://node-postgres.com/guides/upgrading talks about upgrading to 7, but not to 8. Asked in brianc/node-postgres#2342