build(deps): bump html5rdf from 1.2.0 to 1.2.1 in /docker/latest

Bumps [html5rdf](https://github.com/RDFLib/html5rdf) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/RDFLib/html5rdf/releases)
- [Changelog](https://github.com/RDFLib/html5rdf/blob/main/CHANGES.rst)
- [Commits](https://github.com/RDFLib/html5rdf/commits/v1.2.1)

---
updated-dependencies:
- dependency-name: html5rdf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

docker/latest/requirements.in

@@ -1,4 +1,4 @@
 # This file is used for building a docker image of the latest rdflib release. It
 # will be updated by dependabot when new releases are made.
 rdflib==7.1.3
-html5rdf==1.2.0
+html5rdf==1.2.1

docker/latest/requirements.txt

@@ -4,11 +4,11 @@
 #
 #    pip-compile docker/latest/requirements.in
 #
-html5rdf==1.2
-    # via -r docker/latest/requirements.in
+html5rdf==1.2.1
+    # via -r requirements.in
 isodate==0.7.2
     # via rdflib
 pyparsing==3.0.9
     # via rdflib
 rdflib==7.1.3
-    # via -r docker/latest/requirements.in
+    # via -r requirements.in