Serialize docs gh-pages updates

Author: cncastillo

.github/workflows/CI.yml

@@ -156,6 +156,9 @@ jobs:
     if: '!cancelled()'
     name: Documentation
     runs-on: ubuntu-latest
+    concurrency:
+      group: docs-gh-pages
+      cancel-in-progress: false
     steps:
       - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2

.github/workflows/docs-preview-cleanup.yml

@@ -13,7 +13,7 @@ jobs:
     name: Cleanup documentation preview
     runs-on: ubuntu-latest
     concurrency:
-      group: docs-preview-gh-pages
+      group: docs-gh-pages
       cancel-in-progress: false
     steps:
       - uses: actions/checkout@v6

.github/workflows/docs-preview.yml

@@ -21,7 +21,7 @@ jobs:
     name: Deploy documentation preview
     runs-on: ubuntu-latest
     concurrency:
-      group: docs-preview-gh-pages
+      group: docs-gh-pages
       cancel-in-progress: false
     steps:
       - name: Find pull request