[KYUUBI #5324] Bump latest 1.7.3 in playground and helm charts

### _Why are the changes needed?_

Follow [Kyuubi Release Guide](https://kyuubi.readthedocs.io/en/master/community/release.html) to update versions for playground and helm charts

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/master/contributing/code/testing.html#running-tests) locally before make a pull request

### _Was this patch authored or co-authored using generative AI tooling?_

No

Closes #5324 from wForget/dev.

Closes #5324

7110e56bd [wforget] Bump latest 1.7.3 in playground and helm charts

Authored-by: wforget <643348094@qq.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>

charts/kyuubi/Chart.yaml

@@ -20,7 +20,7 @@ name: kyuubi
 description: A Helm chart for Kyuubi server
 type: application
 version: 0.1.0
-appVersion: 1.7.2
+appVersion: 1.7.3
 home: https://kyuubi.apache.org
 icon: https://raw.githubusercontent.com/apache/kyuubi/master/docs/imgs/logo.png
 sources:

docker/playground/.env

@@ -19,7 +19,7 @@ AWS_JAVA_SDK_VERSION=1.12.367
 HADOOP_VERSION=3.3.6
 HIVE_VERSION=2.3.9
 ICEBERG_VERSION=1.3.1
-KYUUBI_VERSION=1.7.2
+KYUUBI_VERSION=1.7.3
 KYUUBI_HADOOP_VERSION=3.3.5
 POSTGRES_VERSION=12
 POSTGRES_JDBC_VERSION=42.3.4