Merge branch 'npm_and_yarn/docs/6.3.x/springio/antora-extensions-1.14.6' into 6.3.x

docs/package.json

@@ -4,7 +4,7 @@
     "@antora/atlas-extension": "1.0.0-alpha.2",
     "@antora/collector-extension": "1.0.1",
     "@asciidoctor/tabs": "1.0.0-beta.6",
-    "@springio/antora-extensions": "1.14.4",
+    "@springio/antora-extensions": "1.14.6",
     "@springio/asciidoctor-extensions": "1.0.0-alpha.17"
   }
 }