ci: attempt to fix docs deployment

.github/workflows/docs-deploy.yml

@@ -58,6 +58,7 @@ jobs:
   deploy:
     name: Deploy to GitHub Pages
     needs: build
+    concurrency: build-deploy-pages
 
     # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
     permissions:

gen-docs/docusaurus.config.ts

@@ -58,7 +58,6 @@ const config: Config = {
   ],
 
   themeConfig: {
-    image: 'img/docusaurus-social-card.jpg',
     colorMode: {
       defaultMode: 'dark',
       disableSwitch: true,