chore(deps): update rust crate oxigraph to v0.5.4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
oxigraph (source)	dependencies	patch	0.5.2 → 0.5.4

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Release Notes

oxigraph/oxigraph (oxigraph)

v0.5.4

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Added

• RDF/XML: support of the current 1.2 draft behind the rdf-12 cargo feature (directional language strings and triple terms).
• RDFC 1.0 canonicalization algorithm on the Graph and Dataset containers.

Changed

• oxrdf: the default Unstable canonicalization algorithm has been changed for a variant of RDFC 1.0. It seems much faster in a lot of cases.
• HTTP: always set sd:endpoint in the served service description (the value is guessed from the incoming request values).
• spareval: make QueryTripleIter::new public.
• JSON-LD: lots of internal changes in preparation of JSON-LD 1.1 support (might affect some edge cases of 1.0 parsing).

v0.5.3

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Added

• SPARQL 1.2: support VERSION declaration.

Changed

• SPARQL: fixes parsing of HAVING when there are multiple conditions.
• SPARQL: compute ordering values for ORDER BY only once (allows ORDER BY RAND() to work properly).

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