**Apache Airflow version**: 1.10.12

**Kubernetes version** : 1.17.9

**Environment**:

- **Cloud provider or hardware configuration**: Azure Kubernetes Service
- **OS** (e.g. from /etc/os-release): Linux
- **Install tools**: Helm chart (/chart in repo) 
- **Others**:

**What happened**:
Pod cannot run since `airflow-cleanup-pods` is not in $PATH
```
Error: failed to start container "airflow-cleanup-pods": Error response from daemon: OCI runtime create failed: container_linux.go:349: starting container process caused "exec: \"airflow-cleanup-pods\": executable file not found in $PATH": unknown
```

**What you expected to happen**: 
Cleanup job pod runs

<!-- What do you think went wrong? -->

**How to reproduce it**:
* Deploy Helm Chart
* Manually trigger `airflow-cleanup ` CronJob 
* See it cannot run since `airflow-cleanup-pods` is not in $PATH
airflow/cli/cli_parser.py
default=False,
    help="Don't start the serve logs process along with the workers",
    action="store_true")
ARG_ANONYMIZE = Arg(
    ('--anonymize',),
    help=(
        'Minimize any personal identifiable information. '
        'Use it when sharing output with others.'
    ),
    action='store_true'
)
ARG_FILE_IO = Arg(
    ('--file-io',),
    help=(
        'Send output to file.io service and returns link.'
    ),
    action='store_true'
)
ARG_SECTION = Arg(
    ("section",),
    help="The section name",
)
ARG_OPTION = Arg(
    ("option",),
    help="The option name",
)
ALTERNATIVE_CONN_SPECS_ARGS = [
    ARG_CONN_TYPE, ARG_CONN_HOST, ARG_CONN_LOGIN, ARG_CONN_PASSWORD, ARG_CONN_SCHEMA, ARG_CONN_PORT
]
class ActionCommand(NamedTuple):