Update tiptap dependencies

package.json

@@ -66,34 +66,34 @@
     "@sentry/browser": "5.26.0",
     "@sourcegraph/code-host-integration": "0.0.59",
     "@tiptap/core": "^2.0.0-beta.86",
-    "@tiptap/extension-blockquote": "^2.0.0-beta.14",
-    "@tiptap/extension-bold": "^2.0.0-beta.14",
-    "@tiptap/extension-bullet-list": "^2.0.0-beta.14",
-    "@tiptap/extension-code": "^2.0.0-beta.14",
+    "@tiptap/extension-blockquote": "^2.0.0-beta.15",
+    "@tiptap/extension-bold": "^2.0.0-beta.15",
+    "@tiptap/extension-bullet-list": "^2.0.0-beta.15",
+    "@tiptap/extension-code": "^2.0.0-beta.16",
     "@tiptap/extension-code-block-lowlight": "2.0.0-beta.32",
-    "@tiptap/extension-document": "^2.0.0-beta.12",
-    "@tiptap/extension-dropcursor": "^2.0.0-beta.17",
-    "@tiptap/extension-gapcursor": "^2.0.0-beta.18",
+    "@tiptap/extension-document": "^2.0.0-beta.13",
+    "@tiptap/extension-dropcursor": "^2.0.0-beta.18",
+    "@tiptap/extension-gapcursor": "^2.0.0-beta.19",
     "@tiptap/extension-hard-break": "^2.0.0-beta.14",
-    "@tiptap/extension-heading": "^2.0.0-beta.14",
-    "@tiptap/extension-history": "^2.0.0-beta.14",
-    "@tiptap/extension-horizontal-rule": "^2.0.0-beta.17",
-    "@tiptap/extension-image": "^2.0.0-beta.14",
-    "@tiptap/extension-italic": "^2.0.0-beta.14",
-    "@tiptap/extension-link": "^2.0.0-beta.18",
-    "@tiptap/extension-list-item": "^2.0.0-beta.13",
-    "@tiptap/extension-ordered-list": "^2.0.0-beta.14",
-    "@tiptap/extension-paragraph": "^2.0.0-beta.15",
-    "@tiptap/extension-strike": "^2.0.0-beta.16",
+    "@tiptap/extension-heading": "^2.0.0-beta.15",
+    "@tiptap/extension-history": "^2.0.0-beta.16",
+    "@tiptap/extension-horizontal-rule": "^2.0.0-beta.19",
+    "@tiptap/extension-image": "^2.0.0-beta.15",
+    "@tiptap/extension-italic": "^2.0.0-beta.15",
+    "@tiptap/extension-link": "^2.0.0-beta.19",
+    "@tiptap/extension-list-item": "^2.0.0-beta.14",
+    "@tiptap/extension-ordered-list": "^2.0.0-beta.15",
+    "@tiptap/extension-paragraph": "^2.0.0-beta.17",
+    "@tiptap/extension-strike": "^2.0.0-beta.17",
     "@tiptap/extension-subscript": "^2.0.0-beta.4",
     "@tiptap/extension-superscript": "^2.0.0-beta.4",
-    "@tiptap/extension-table": "^2.0.0-beta.25",
-    "@tiptap/extension-table-cell": "^2.0.0-beta.13",
-    "@tiptap/extension-table-header": "^2.0.0-beta.15",
-    "@tiptap/extension-table-row": "^2.0.0-beta.13",
+    "@tiptap/extension-table": "^2.0.0-beta.29",
+    "@tiptap/extension-table-cell": "^2.0.0-beta.14",
+    "@tiptap/extension-table-header": "^2.0.0-beta.16",
+    "@tiptap/extension-table-row": "^2.0.0-beta.14",
     "@tiptap/extension-task-item": "^2.0.0-beta.17",
     "@tiptap/extension-task-list": "^2.0.0-beta.17",
-    "@tiptap/extension-text": "^2.0.0-beta.12",
+    "@tiptap/extension-text": "^2.0.0-beta.13",
     "@tiptap/vue-2": "^2.0.0-beta.39",
     "@toast-ui/editor": "^2.5.2",
     "@toast-ui/vue-editor": "^2.5.2",
@@ -259,6 +259,7 @@
     "postcss": "^7.0.14",
     "prettier": "2.2.1",
     "prosemirror-schema-basic": "^1.1.2",
+    "prosemirror-schema-list": "^1.1.5",
     "prosemirror-test-builder": "^1.0.4",
     "purgecss": "^4.0.3",
     "purgecss-from-html": "^4.0.3",