operator: Use quayio v2.7.0-pre image for openshift overlay (#7329)

operator/bundle/manifests/loki-operator.clusterserviceversion.yaml

@@ -1199,7 +1199,7 @@ spec:
                 - /manager
                 env:
                 - name: RELATED_IMAGE_LOKI
-                  value: docker.io/grafana/loki:main-ec0bf70
+                  value: quay.io/openshift-logging/loki:v2.7.0-pre
                 - name: RELATED_IMAGE_GATEWAY
                   value: quay.io/observatorium/api:latest
                 - name: RELATED_IMAGE_OPA
@@ -1327,7 +1327,7 @@ spec:
   provider:
     name: Grafana.com
   relatedImages:
-  - image: docker.io/grafana/loki:main-ec0bf70
+  - image: quay.io/openshift-logging/loki:v2.7.0-pre
     name: loki
   - image: quay.io/observatorium/api:latest
     name: gateway

operator/config/overlays/openshift/manager_related_image_patch.yaml

@@ -9,7 +9,7 @@ spec:
         - name: manager
           env:
           - name: RELATED_IMAGE_LOKI
-            value: docker.io/grafana/loki:main-ec0bf70
+            value: quay.io/openshift-logging/loki:v2.7.0-pre
           - name: RELATED_IMAGE_GATEWAY
             value: quay.io/observatorium/api:latest
           - name: RELATED_IMAGE_OPA