Update ReadTheDocs config to use unshallow clone

dolfinus · dolfinus · commit b8d6b56d1a1f · 2023-07-31T00:41:39.000+03:00
diff --git a/.readthedocs.yml b/.readthedocs.yml
@@ -1,7 +1,14 @@
 version: 2
 
+build:
+  os: ubuntu-22.04
+  tools:
+    python: '3.11'
+  jobs:
+    post_checkout:
+    - git fetch --unshallow || true
+
 python:
-  version: '3'
   install:
   - requirements: requirements-doc.txt
   - requirements: requirements.txt
