Bump lxml in /tools/workload/benchmark_velox/analysis (#12139)

Bumps [lxml](https://github.com/lxml/lxml) from 5.2.2 to 6.1.0.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-5.2.2...lxml-6.1.0)

---
updated-dependencies:
- dependency-name: lxml
  dependency-version: 6.1.0
  dependency-type: direct:production
...

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Author: dependabot[bot]

tools/workload/benchmark_velox/analysis/requirements.txt

@@ -71,7 +71,7 @@ kiwisolver==1.4.5
 launchpadlib==1.10.16
 lazr.restfulclient==0.14.4
 lazr.uri==1.0.6
-lxml==5.2.2
+lxml==6.1.0
 MarkupSafe==2.0.1
 matplotlib==3.5.2
 matplotlib-inline==0.1.7