Update dependency pg to v1.6.2

[renovate]

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This PR contains the following updates:

Package	Change	Age	Confidence
pg	'1.5.9' -> '1.6.2'

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Configuration

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: Gemfile.lock

[18:43:45.508] INFO (1274): Installing tool ruby@3.0.3...
installing v2 tool ruby v3.0.3
/usr/local/containerbase/tools/v2/ruby.sh: line 82: /etc/gemrc: Permission denied
[18:43:46.125] ERROR (1274): Command failed with exit code 1: /usr/local/containerbase/bin/install-tool.sh ruby 3.0.3
[18:43:46.126] FATAL (1274): Install tool ruby failed in 626ms.