Write OWL translation files in OFN format.

OWL translation files (`$(TRANSLATIONSDIR)/*.owl`) are intermediate
files (they are used to produce the "international" release product), so
we switch them to OFN format as the other intermediate files.

Author: gouttegd

src/incatools/odk/templates/src/ontology/Makefile.jinja2

@@ -1278,7 +1278,7 @@ $(TRANSLATIONSDIR)/%.synonyms.owl: $(TRANSLATIONSDIR)/%.synonyms.tsv
 			--ontology-iri $(ONTBASE)/translations/$*.synonyms.owl \
 			-V $(ONTBASE)/releases/$(VERSION)/translations/$*.synonyms.owl \
 			--annotation owl:versionInfo $(VERSION) \
-		convert -f owl --output $@
+		convert --format ofn --output $@
 .PRECIOUS: $(TRANSLATIONSDIR)/%.synonyms.owl
 
 $(TRANSLATIONSDIR)/%.babelon.owl: $(TRANSLATIONSDIR)/%-preprocessed.babelon.tsv
@@ -1288,7 +1288,7 @@ $(TRANSLATIONSDIR)/%.babelon.owl: $(TRANSLATIONSDIR)/%-preprocessed.babelon.tsv
 			--ontology-iri $(ONTBASE)/translations/$*.babelon.owl \
 			-V $(ONTBASE)/releases/$(VERSION)/translations/$*.babelon.owl \
 			--annotation owl:versionInfo $(VERSION) \
-		convert -f owl --output $@
+		convert --format ofn --output $@
 	@rm $@.tmp
 .PRECIOUS: $(TRANSLATIONSDIR)/%.babelon.owl