fix: Pin prosemirror-transform (#252)

fix: Pin typescript
Update dependencies

package.json

@@ -30,15 +30,16 @@
     "prosemirror-schema-list": "^1.1.2",
     "prosemirror-state": "^1.3.3",
     "prosemirror-tables": "^1.0.0",
+    "prosemirror-transform": "1.2.5",
     "prosemirror-utils": "^0.9.6",
     "prosemirror-view": "^1.14.11",
     "react-medium-image-zoom": "^3.0.16",
     "react-portal": "^4.2.1",
     "refractor": "^2.10.1",
     "slugify": "^1.4.0",
     "smooth-scroll-into-view-if-needed": "^1.1.27",
-    "styled-components": "^5.0.0",
-    "typescript": "^3.7.5"
+    "styled-components": "^5.1.0",
+    "typescript": "3.7.5"
   },
   "peerDependencies": {
     "react": "^16.8.6",
@@ -95,4 +96,4 @@
     "url": "https://github.com/outline/rich-markdown-editor/issues"
   },
   "homepage": "https://github.com/outline/rich-markdown-editor#readme"
-}
+}