Update module github.com/safing/portbase to v0.12.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/safing/portbase	require	patch	v0.12.2 -> v0.12.3

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Release Notes

safing/portbase

### [`v0.12.3`](https://togithub.com/safing/portbase/releases/v0.12.3) [Compare Source](https://togithub.com/safing/portbase/compare/v0.12.2...v0.12.3) Changelog: [`b50f922`](https://togithub.com/safing/portbase/commit/b50f922fb5c13d5a04bc95f3f272825532641691) Update release level config [`a92d8f4`](https://togithub.com/safing/portbase/commit/a92d8f47f0a25c123bacbbeef3af1718ec8a8808) Revert testing code [`7bb9c48`](https://togithub.com/safing/portbase/commit/7bb9c48bb066b2f198583223bc28859308dd9348) Update dependencies [`3597a69`](https://togithub.com/safing/portbase/commit/3597a6900ecf0fb8dfb7e7b1089a25af8742f0a3) Fix failure updating during module shutdown

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Configuration

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