Bump testsuite/rdf-tests from `634dadc` to `43b0eb9`

Bumps [testsuite/rdf-tests](https://github.com/w3c/rdf-tests) from `634dadc` to `43b0eb9`.
- [Release notes](https://github.com/w3c/rdf-tests/releases)
- [Commits](634dadcedb...43b0eb9078)

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

testsuite/rdf-tests

@@ -1 +1 @@
-Subproject commit 634dadcedba0177eb47975d642ae66949774834a
+Subproject commit 43b0eb9078f144c0d1c36f2c751b81922030eb1a