Update ghcr.io/appgate/sdp-k8s-injector/sdp-injector:1.2.5 Docker digest to 54a7cee

This MR contains the following updates:

Package	Type	Update	Change
ghcr.io/appgate/sdp-k8s-injector/sdp-injector	ironbank-docker	digest	838cbd5 -> 54a7cee

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