chore(chart-deps): update argocd-image-updater to version 1.2.1

[svcAPLBot]

This PR updates the dependency argocd-image-updater to version 1.2.1.
TODO: Update app version in apps.yaml.

[svcAPLBot]

Comparison of Helm chart templating output:

# argocd-image-updater/templates/configmap-sshconfig.yaml

# argocd-image-updater/templates/configmap.yaml

# argocd-image-updater/templates/deployment.yaml

@@ spec.template.spec.containers.argocd-image-updater-controller.env @@
! + six list entries added:
+ - name: IMAGE_UPDATER_WATCH_NAMESPACES
+   valueFrom:
+     configMapKeyRef:
+       name: argocd-image-updater-config
+       key: watch.namespaces
+       optional: true
+ - name: ALIYUN_ACR_WEBHOOK_SECRET
+   valueFrom:
+     secretKeyRef:
+       name: argocd-image-updater-secret
+       key: webhook.aliyun-acr-secret
+       optional: true
+ - name: DISABLE_TLS
+   valueFrom:
+     configMapKeyRef:
+       name: argocd-image-updater-config
+       key: disable-tls
+       optional: true
+ - name: TLS_MIN_VERSION
+   valueFrom:
+     configMapKeyRef:
+       name: argocd-image-updater-config
+       key: tls.min-version
+       optional: true
+ - name: TLS_MAX_VERSION
+   valueFrom:
+     configMapKeyRef:
+       name: argocd-image-updater-config
+       key: tls.max-version
+       optional: true
+ - name: TLS_CIPHERS
+   valueFrom:
+     configMapKeyRef:
+       name: argocd-image-updater-config
+       key: tls.ciphers
+       optional: true

@@ spec.template.spec.containers.argocd-image-updater-controller.image @@
! ± value change
- quay.io/argoprojlabs/argocd-image-updater:v1.1.1
+ quay.io/argoprojlabs/argocd-image-updater:v1.2.0

@@ spec.template.spec.containers.argocd-image-updater-controller.volumeMounts @@
! + one list entry added:
+ - name: argocd-image-updater-tls
+   mountPath: /app/config/tls
+   readOnly: true

@@ spec.template.spec.volumes @@
! + one list entry added:
+ - name: argocd-image-updater-tls
+   secret:
+     secretName: argocd-image-updater-tls
+     optional: true
+     items:
+     - key: tls.crt
+       path: tls.crt
+     - key: tls.key
+       path: tls.key

# argocd-image-updater/templates/rbac-leader-election.yaml

# argocd-image-updater/templates/rbac.yaml

# argocd-image-updater/templates/serviceaccount.yaml

# rabbitmq-cluster-operator/templates/messaging-topology-operator/validating-webhook-configuration.yaml

# values-repo.yaml