[KYUUBI #6430] livenessProbe uses absolute path based on KYUUBI_HOME

# 🔍 Description
## Issue References 🔗

This pull request fixes potential `Liveness probe failed: /bin/bash: line 1: bin/kyuubi: No such file or directory`

## Describe Your Solution 🔧

livenessProbe uses absolute path based on KYUUBI_HOME

## Types of changes 🔖

- [x] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)

## Test Plan 🧪

Tested on our internal kyuubi deployment.

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# Checklist 📝

- [x] This patch was not authored or co-authored using [Generative Tooling](https://www.apache.org/legal/generative-tooling.html)

**Be nice. Be informative.**

Closes #6430 from camper42/liveness.

Closes #6430

980b42c [camper42] livenessProbe uses absolute path based on KYUUBI_HOME

Authored-by: camper42 <[email protected]>
Signed-off-by: Cheng Pan <[email protected]>
(cherry picked from commit 9c4e832)
Signed-off-by: Cheng Pan <[email protected]>

Author: camper42

charts/kyuubi/templates/kyuubi-statefulset.yaml

@@ -87,7 +87,7 @@ spec:
           {{- if .Values.livenessProbe.enabled }}
           livenessProbe:
             exec:
-              command: ["/bin/bash", "-c", "bin/kyuubi status"]
+              command: ["/bin/bash", "-c", "$KYUUBI_HOME/bin/kyuubi status"]
             initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
             periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
             timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}