**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
help="The id of the dag"
)
ARG_NO_BACKFILL = Arg(
    ("--no-backfill",),
    help="filter all the backfill dagruns given the dag id",
    action="store_true")
ARG_STATE = Arg(
    ("--state",),
    help="Only list the dag runs corresponding to the state")
ARG_LIMIT = Arg(
    ("--limit",),
    help="Return a limited number of records")
ARG_NUM_EXECUTIONS = Arg(
    ("-n", "--num-executions"),
    default=1,
    type=positive_int,
    help="The number of next execution datetimes to show")
ARG_MARK_SUCCESS = Arg(
    ("-m", "--mark-success"),
    help="Mark jobs as succeeded without running them",
    action="store_true")
ARG_VERBOSE = Arg(
    ("-v", "--verbose"),
    help="Make logging output more verbose",
    action="store_true")
ARG_LOCAL = Arg(
    ("-l", "--local"),
    help="Run the task using the LocalExecutor",
    action="store_true")
ARG_DONOT_PICKLE = Arg(