chore: fix turtle earl iri (#367)

Author: jeswr

package.json

@@ -64,7 +64,7 @@
     "spec-trig": "rdf-test-suite spec/parser.js https://w3c.github.io/rdf-tests/rdf/rdf11/rdf-trig/manifest.ttl -i '{ \"format\": \"trig\" }' -c .rdf-test-suite-cache/",
     "spec-earl-ntriples": "rdf-test-suite spec/parser.js https://w3c.github.io/rdf-tests/rdf/rdf11/rdf-n-triples/manifest.ttl -i '{ \"format\": \"n-triples\" }' -c .rdf-test-suite-cache/ -o earl -p spec/earl-meta.json > spec/earl-ntriples.ttl",
     "spec-earl-nquads": "rdf-test-suite spec/parser.js https://w3c.github.io/rdf-tests/rdf/rdf11/rdf-n-quads/manifest.ttl -i '{ \"format\": \"n-quads\" }' -c .rdf-test-suite-cache/ -o earl -p spec/earl-meta.json > spec/earl-nquads.ttl",
-    "spec-earl-turtle": "rdf-test-suite spec/parser.js https://w3c.github.io/rdf-tests/rdf/rdf11/turtle/manifest.ttl -i '{ \"format\": \"turtle\" }' -c .rdf-test-suite-cache/ -o earl -p spec/earl-meta.json > spec/earl-turtle.ttl",
+    "spec-earl-turtle": "rdf-test-suite spec/parser.js https://w3c.github.io/rdf-tests/rdf/rdf11/rdf-turtle/manifest.ttl -i '{ \"format\": \"turtle\" }' -c .rdf-test-suite-cache/ -o earl -p spec/earl-meta.json > spec/earl-turtle.ttl",
     "spec-earl-trig": "rdf-test-suite spec/parser.js https://w3c.github.io/rdf-tests/rdf/rdf11/rdf-trig/manifest.ttl -i '{ \"format\": \"trig\" }' -c .rdf-test-suite-cache/ -o earl -p spec/earl-meta.json > spec/earl-trig.ttl",
     "spec-clean": "rm -r .rdf-test-suite-cache/",
     "docs": "cd src && docco *.js -o ../docs && cd .."