Update html5lib-tests submodule URL

sideshowbarker · hsivonen · commit 8bcc5bcf4c1a · 2021-08-17T15:30:37.000+03:00
diff --git a/.gitmodules b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "test-src/test/resources/html5lib-tests"]
 	path = test-src/test/resources/html5lib-tests
-	url = git@github.com:html5lib/html5lib-tests.git
+	url = https://github.com/html5lib/html5lib-tests.git
