Pod labels overwrite not being applied

Summary

Overwriting pod labels with pod_labels_overwrite_allowed and KUBERNETES_POD_LABELS_* variables is not working as expected following documentation.

Steps to reproduce

.gitlab-ci.yml 
variables:
  KUBERNETES_POD_LABELS_1: "Key1=Val1"
  KUBERNETES_POD_LABELS_2: "Key2=Val2"
  KUBERNETES_POD_LABELS_3: "Key3=Val3"

Actual behavior

Labels from .gitlab-ci.yml are not applied to the job pod.

Expected behavior

Labels from .gitlab-ci.yml are applied to the job pod.

Relevant logs and/or screenshots

job log 
"PodLabels" "Key1" overwritten with "Val1"   job=__REDACTED__ project=__REDACTED__ runner=__REDACTED__
"PodLabels" "Key2" overwritten with "Val2"   job=__REDACTED__ project=__REDACTED__ runner=__REDACTED__
"PodLabels" "Key3" overwritten with "Val3"   job=__REDACTED__ project=__REDACTED__ runner=__REDACTED__
kubectl output 
kubectl get pods __REDACTED__ --show-labels

NAME           READY   STATUS   RESTARTS   AGE   LABELS
__REDACTED__   2/2     Running  0          6s    job_id=__REDACTED__,job_name=__REDACTED__,pod=__REDACTED__,project_id=__REDACTED__,release=__REDACTED__

Environment description

config.toml contents 
[[runners]]
  builds_dir = "/builds"
  environment = ["GIT_CLONE_PATH=$CI_BUILDS_DIR/$CI_RUNNER_ID/$CI_CONCURRENT_ID/$CI_PROJECT_NAME"]
  [runners.kubernetes]
    pod_labels_overwrite_allowed = ".*"
    service_account = "gitlab-ci"
    namespace = "gitlab-ci"
    image = "alpine:latest"
    poll_timeout = 720
  [runners.kubernetes.pod_labels]
    job_id = "$CI_JOB_ID"
    job_name = "$CI_JOB_NAME"
    project_id = "$CI_PROJECT_ID"
  [runners.custom_build_dir]
    enabled = true
  [runners.cache]
    Type = "s3"
    Path = "gitlab-ci"
    Shared = true

Used GitLab Runner version

command output 
Version:      15.1.0
Git revision: 76984217
Git branch:   15-1-stable
GO version:   go1.17.7
Built:        2022-06-20T10:10:54+0000
OS/Arch:      linux/amd64
Edited by toto