[SPARK-38072][K8S][TESTS] Support K8s imageTag parameter in SBT K8s IT
[SPARK-38072][K8S][TESTS] Support K8s imageTag parameter in SBT K8s IT

### What changes were proposed in this pull request?
This PR aims to support K8s `imageTag` parameter in SBT K8s integration test.

### Why are the changes needed?
To make maven and SBT consistent.

### Does this PR introduce _any_ user-facing change?
No.

### How was this patch tested?
Manually.

Closes #35365 from williamhyun/imagetag.

Authored-by: William Hyun <c824fe0afe16857dd6f587aa7c4044d2642d60fb@apache.org>
Signed-off-by: Dongjoon Hyun <6ff48b33cbb828151035af58a92f18a39f1d1036@apache.org>
(cherry picked from commit 419d17378c7fe4d9715eca3f84bcc86354c71941)
Signed-off-by: Dongjoon Hyun <6ff48b33cbb828151035af58a92f18a39f1d1036@apache.org>

milliman/spark,milliman/spark,milliman/spark,milliman/spark,milliman/spark,milliman/spark,milliman/spark