[release-0.6] Fix number of reconcilers for Pod integration

[k8s-infra-cherrypick-robot]

This is an automated cherry-pick of #1835

/assign alculquicondor

Fix the configuration for the number of reconcilers for the Pod integration. It was only reconciling one group at a time.

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[alculquicondor]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 3e60b2b3a51b6e38510f2fdec331a37841fe50c8

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alculquicondor, k8s-infra-cherrypick-robot

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[alculquicondor]

/kind bug