Update ghcr.io/balena-io-modules/confd-releases Docker tag to v0.0.4

[balena-renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/balena-io-modules/confd-releases	stage	patch	0.0.3-confd-v0-16-0 -> 0.0.4-confd-v0-16-0

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