Update ghcr.io/appgate/sdp-k8s-injector/sdp-identity-service Docker tag to v1.3.0

This MR contains the following updates:

Package	Type	Update	Change
ghcr.io/appgate/sdp-k8s-injector/sdp-identity-service	ironbank-docker	minor	1.2.7 -> 1.3.0
ghcr.io/appgate/sdp-k8s-injector/sdp-identity-service	stage	minor	1.2.7 -> 1.3.0

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