DOC-3218: Add tinymce/8 to branch list and update main dev-dependencies. (#3727)

Author: kemister85

antora-playbook.yml

@@ -5,7 +5,7 @@ site:
 content:
   sources:
   - url: https://github.com/tinymce/tinymce-docs.git
-    branches: [ tinymce/5, tinymce/6, tinymce/7 ]
+    branches: [ tinymce/5, tinymce/6, tinymce/7, tinymce/8 ]
 urls:
   html_extension_style: indexify
   latest_version_segment: latest

package.json

@@ -28,14 +28,14 @@
     "ext": "*"
   },
   "devDependencies": {
-    "@antora/cli": "^3.0.1",
-    "@antora/site-generator-default": "^3.0.1",
+    "@antora/cli": "^3.1.10",
+    "@antora/site-generator-default": "^3.1.10",
     "@tinymce/antora-extension-livedemos": "^0.1.0",
     "@tinymce/moxiedoc": "^0.3.0",
-    "dotenv": "^16.0.0",
+    "dotenv": "^16.5.0",
     "ecstatic": "^4.1.4",
     "http-server": "^0.12.3",
-    "nodemon": "^2.0.7",
+    "nodemon": "^3.1.10",
     "npm-run-all": "^4.1.5"
   }
 }