Pin databind version (#2091)

Author: ekzhu

.github/workflows/deploy-website.yml

@@ -4,15 +4,15 @@ on:
   pull_request:
     branches: [main]
     path:
-      - 'autogen/*'
-      - 'website/*'
-      - '.github/workflows/deploy-website.yml'
+      - "autogen/*"
+      - "website/*"
+      - ".github/workflows/deploy-website.yml"
   push:
     branches: [main]
     path:
-      - 'autogen/*'
-      - 'website/*'
-      - '.github/workflows/deploy-website.yml'
+      - "autogen/*"
+      - "website/*"
+      - ".github/workflows/deploy-website.yml"
   workflow_dispatch:
   merge_group:
     types: [checks_requested]
@@ -40,6 +40,8 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install pydoc-markdown pyyaml termcolor
+          # Pin databind packages as version 4.5.0 is not compatible with pydoc-markdown.
+          pip install databind.core==4.4.2 databind.json==4.4.2
       - name: pydoc-markdown run
         run: |
           pydoc-markdown