Update ghcr.io/fluxcd/image-automation-controller Docker tag to v0.39.0 (#696)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

manifests/flux-system/gotk-components.yaml

@@ -7714,7 +7714,7 @@ spec:
           valueFrom:
             fieldRef:
               fieldPath: metadata.namespace
-        image: ghcr.io/fluxcd/image-automation-controller:v0.38.0
+        image: ghcr.io/fluxcd/image-automation-controller:v0.39.0
         imagePullPolicy: IfNotPresent
         livenessProbe:
           httpGet: