Bump lxml from 5.3.2 to 5.4.0 (#459)

* Bump lxml from 5.3.2 to 5.4.0

Bumps [lxml](https://github.com/lxml/lxml) from 5.3.2 to 5.4.0.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-5.3.2...lxml-5.4.0)

---
updated-dependencies:
- dependency-name: lxml
  dependency-version: 5.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* [dependabot skip] Update environment

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: dependabot[bot]

.ci_support/environment.yml

@@ -3,7 +3,7 @@ channels:
 dependencies:
 - ase =3.25.0
 - coverage
-- lxml =5.3.2
+- lxml =5.4.0
 - mendeleev =0.19.0
 - numpy =1.26.4
 - pandas =2.2.3

pyproject.toml

@@ -59,7 +59,7 @@ lammps_phonons = [
     "pyiron_lammps==0.4.1",
 ]
 experimental = [
-    "lxml==5.3.2",
+    "lxml==5.4.0",
     "mendeleev==0.19.0",
     "pandas==2.2.3",
     "requests==2.32.3",