chore(deps): bump lib4sbom from 0.8.2 to 0.8.4 (#5057)

Bumps [lib4sbom](https://github.com/anthonyharrison/lib4sbom) from 0.8.2 to 0.8.4.
- [Release notes](https://github.com/anthonyharrison/lib4sbom/releases)
- [Commits](anthonyharrison/lib4sbom@v0.8.2...v0.8.4)

---
updated-dependencies:
- dependency-name: lib4sbom
  dependency-version: 0.8.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -9,7 +9,7 @@ importlib_metadata>=3.6; python_version < "3.10"
 importlib_resources; python_version < "3.9"
 jinja2>=2.11.3
 jsonschema>=3.0.2
-lib4sbom==0.8.2 # Pinned due to bug.  Was lib4sbom>=0.7.2
+lib4sbom==0.8.4 # Pinned due to bug.  Was lib4sbom>=0.7.2
 lib4vex>=0.2.0
 packageurl-python
 packaging>=22.0