build(deps): bump pyyaml from 5.3 to 5.4

Bumps [pyyaml](https://github.com/yaml/pyyaml) from 5.3 to 5.4.
- [Release notes](https://github.com/yaml/pyyaml/releases)
- [Changelog](https://github.com/yaml/pyyaml/blob/main/CHANGES)
- [Commits](yaml/pyyaml@5.3...5.4)

---
updated-dependencies:
- dependency-name: pyyaml
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

setup.py

@@ -43,7 +43,7 @@
     'invenio-search>=1.2.3',
     'six~=1.0,>=1.11.0',
     'invenio-base>=1.2.3,<2.0.0',
-    'PyYAML==5.3; python_version >= "3.6"',
+    'PyYAML==5.4; python_version >= "3.6"',
 ]
 
 docs_require = []