fix(otellogs): configure imagePullSecrets for otellogs daemonset

[kkujawa-sumo]

Pull request was tested manually with following configuration:

sumologic:
  accessId: dummy
  accessKey: dummy
  endpoint: http://receiver-mock.receiver-mock:3000/terraform/api/
  pullSecrets:
    - name: container-secret-test

otellogs:
  image:
    repository: ghcr.io/kkujawa-sumo/sumologic-otel-collector
    tag: "0.73.0-sumo-1"
  daemonset:
    initContainers:
      changeowner:
        image:
          repository: ghcr.io/kkujawa-sumo/busybox
          tag: 1.36.0
          pullPolicy: IfNotPresent

new ServiceAccount:

$ kubectl get ServiceAccounts -n sumologic collection-sumologic-otelcol-logs-collector -o yaml
apiVersion: v1
imagePullSecrets:
- name: container-secret-test
kind: ServiceAccount
metadata:
  annotations:
    meta.helm.sh/release-name: collection
    meta.helm.sh/release-namespace: sumologic
  creationTimestamp: "2023-04-14T09:46:26Z"
  labels:
    app: collection-sumologic-otelcol-logs-collector
    app.kubernetes.io/managed-by: Helm
    chart: sumologic-3.4.0
    heritage: Helm
    release: collection
  name: collection-sumologic-otelcol-logs-collector
  namespace: sumologic
  resourceVersion: "105439"
  selfLink: /api/v1/namespaces/sumologic/serviceaccounts/collection-sumologic-otelcol-logs-collector
  uid: 6c223de8-88ee-4e4e-ad30-1694d8da42e8
secrets:
- name: collection-sumologic-otelcol-logs-collector-token-98q7n

[swiatekm-sumo]

Shouldn't we just use the common imagePullSecrets setting everything else uses instead of adding a new one?

[sumo-drosiek]

I like the simplicty!