chore: migrate to new versions of prosemirror packages (#2854)

* refactor: upgrade prosemirror packages to new typescript versions

* refactor: migrate to new typings from prosemirror

* style: fix linting issues

* style: fix linting issues

* style: fix linting issues

* fix(ci): fix build process by reimplement filterTransaction

* fix(extension-test): fix broken build because of wrong output file names

* fix: fix prosemirror-tables not being bundled correctly for ES6

* fix: move to prosemirror-tables-contently until es6 build is working

* fix: fix tests for youtube

* fix: fix youtube test

* fix(demos): fix demos build

packages/extension-code-block-lowlight/src/lowlight-plugin.ts

@@ -74,7 +74,7 @@ export function LowlightPlugin({ name, lowlight, defaultLanguage }: { name: stri
     throw Error('You should provide an instance of lowlight to use the code-block-lowlight extension')
   }
 
-  return new Plugin({
+  const lowlightPlugin: Plugin<any> = new Plugin({
     key: new PluginKey('lowlight'),
 
     state: {
@@ -129,8 +129,10 @@ export function LowlightPlugin({ name, lowlight, defaultLanguage }: { name: stri
 
     props: {
       decorations(state) {
-        return this.getState(state)
+        return lowlightPlugin.getState(state)
       },
     },
   })
+
+  return lowlightPlugin
 }