Update quay.io/prometheus-operator/prometheus-config-reloader Docker tag to v0.48.0

This MR contains the following updates:

Package	Type	Update	Change
quay.io/prometheus-operator/prometheus-config-reloader		minor	v0.47.1 -> v0.48.0
quay.io/prometheus-operator/prometheus-config-reloader	stage	minor	v0.47.1 -> v0.48.0

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