Updates test suite location

New location is https://w3c.github.io/rdf-tests/rdf/rdf12/rdf-trig, which also includes RDF 1.1 tests.

Author: gkellogg

spec/index.html

@@ -10,7 +10,7 @@
     var respecConfig = {
       localBiblio:          localBibliography,
       specStatus:           "ED",
-      testSuiteURI:         "https://w3c.github.io/rdf-tests/trig/",
+      testSuiteURI:         "https://w3c.github.io/rdf-tests/rdf/rdf12/rdf-trig/",
       edDraftURI:           "https://w3c.github.io/rdf-trig/spec/",
       shortName:            "rdf12-trig",
       subtitle:             "RDF Dataset Language",