functional test fail on jammy-full-ha bundle

[JamesLin]

Command for function-test:

```
source ../testenv && tox -e func-target jammy-full-ha
```

```
### testenv
export TEST_NAME_SERVER=10.5.0.2
export TEST_VIP_RANGE=10.5.0.240:10.5.0.253
export TEST_CIDR_PRIV=10.6.0.0/24
export TEST_CIDR_EXT=10.5.0.0/16
export TEST_FIP_RANGE=10.5.0.200:10.5.0.239
export TEST_SWIFT_IP=10.245.161.162
export TEST_GATEWAY=10.5.0.1
export TEST_HTTP_PROXY=http://squid.internal:3128/
export TEST_GRAFANA_PLUGIN_VONAGE_URL=http://vonage.grafana:8000/
export TEST_GRAFANA_PLUGIN_PIECHART_URL=http://piechcart.grafana:8000/
export TEST_VIP00=10.5.55.1
export TEST_VIP01=10.5.55.2
```

Error msg in nova-hacluster/0

```
2022-05-19 08:23:12 WARNING unit.nova-hacluster/0.install logger.go:60 subprocess.CalledProcessError: Command '['/usr/bin/rsync', '-r', '--delete', '--executability', 'files/ocf/maas/maas_stonith_plugin.py', '/usr/lib/stonith/plugins/external/maas']' returned non-zero exit status 3.
2022-05-19 08:23:12 ERROR juju.worker.uniter.operation runhook.go:146 hook "install" (via explicit, bespoke hook script) failed: exit status 1
```

[Felipe Reyes (freyes)]

this is an issue with the hacluster charm (bug 1971841)