Update Helm release cloudnative-pg to v0.20.1

This MR contains the following updates:

Package	Update	Change
cloudnative-pg (source)	minor	0.18.2 -> 0.20.1

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Release Notes

cloudnative-pg/charts (cloudnative-pg)

v0.20.1

Compare Source

v0.20.0

Compare Source

v0.19.1

Compare Source

v0.19.0

Compare Source

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Configuration

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