ci: optimize docs workflow by combining build and deploy jobs

Merged the build and deploy jobs into a single job to simplify the workflow
and reduce execution time. The Pages environment configuration is now
properly set on the single job.

Author: hrntknr

.github/workflows/docs.yaml

@@ -18,12 +18,16 @@ concurrency:
   cancel-in-progress: false
 
 jobs:
-  build:
+  deploy:
     runs-on: ubuntu-latest
     defaults:
       run:
         working-directory: docs
 
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -49,13 +53,6 @@ jobs:
         with:
           path: docs/build
 
-  deploy:
-    needs: build
-    runs-on: ubuntu-latest
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    steps:
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4