Update ghcr.io/getporter/porter-operator-manager Docker tag to v1

This MR contains the following updates:

Package	Type	Update	Change
ghcr.io/getporter/porter-operator-manager	ironbank-docker	major	v0.8.2 -> v1.0.0
ghcr.io/getporter/porter-operator-manager		major	v0.8.2 -> v1.0.0
ghcr.io/getporter/porter-operator-manager	stage	major	v0.8.2 -> v1.0.0

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