fix(deps): update helm release wordpress-operator to 0.12.4

[renovate]

This PR contains the following updates:

Package	Update	Change
wordpress-operator (source)	patch	0.12.1 -> 0.12.4

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Release Notes

bitpoke/wordpress-operator (wordpress-operator)

v0.12.4

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Fixes

• Fix a nil pointer in code PVC
• Bump gopkg.in/yaml.v3 from 3.0.0-20210107192922-496545a6307b to 3.0.0

v0.12.3

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Fixed

• Drop usage of deprecated batch/v1beta1 api

v0.12.2

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Changed

• Minimum required Kubernetes version is 1.21
• Bump https://github.com/bitpoke/build to 0.8.3
• Allow the operator to be namespace scoped (SCOPED_NAMESPACE environment variable)
• Set resources for init-wp initContainer

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