fix: build on rtd

Author: onerandomusername

.readthedocs.yml

@@ -7,6 +7,9 @@ build:
   os: ubuntu-24.04
   tools:
     python: "3.8"
+  jobs:
+    post_checkout:
+      - git fetch --unshallow || true
 sphinx:
   configuration: docs/conf.py
   fail_on_warning: false