[SPARK-36432][BUILD] Upgrade Jetty version to 9.4.43
[SPARK-36432][BUILD] Upgrade Jetty version to 9.4.43

### What changes were proposed in this pull request?
This PR upgrades Jetty version to `9.4.43.v20210629`.

### Why are the changes needed?
To address vulnerability https://nvd.nist.gov/vuln/detail/CVE-2021-34429 which affects Jetty `9.4.42.v20210604`.

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

### How was this patch tested?
CI

Closes #33656 from this/upgrade-jetty-9.4.43.

Lead-authored-by: Sajith Ariyarathna <ca2658066ce8d6c639605e89e5c48c2bda4e560f@gmail.com>
Co-authored-by: Sajith Ariyarathna <c2543fff3bfa6f144c2f06a7de6cd10c0b650cae@users.noreply.github.com>
Signed-off-by: Hyukjin Kwon <2680965ad5aae29275c8fb10150cb10f5554e78b@apache.org>
(cherry picked from commit 5a22f9ceaf4fa61e4c2d3ad47e7bf5071c0d6eaa)
Signed-off-by: Hyukjin Kwon <2680965ad5aae29275c8fb10150cb10f5554e78b@apache.org>

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