Update ghcr.io/appgate/sdp-operator/sdp-operator Docker tag to v0.3.13

This MR contains the following updates:

Package	Type	Update	Change
ghcr.io/appgate/sdp-operator/sdp-operator		patch	0.3.10 -> 0.3.13
ghcr.io/appgate/sdp-operator/sdp-operator	ironbank-docker	patch	0.3.10 -> 0.3.13
ghcr.io/appgate/sdp-operator/sdp-operator	stage	patch	0.3.10 -> 0.3.13

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