Update the readthedocs config to fix the build

Signed-off-by: tdruez <tdruez@aboutcode.org>

Author: tdruez

.readthedocs.yaml

@@ -6,14 +6,17 @@ version: 2
 
 # Set the OS, Python version and other tools you might need
 build:
-  os: ubuntu-22.04
+  os: ubuntu-24.04
   tools:
     python: "3.13"
 
-# Optionally declare the Python requirements required to build your docs
+# Extra requirements section to install in addition to the package dependencies
 python:
-   install:
-      - requirements: docs/requirements.txt
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs
 
 # Build documentation in the "docs/" directory with Sphinx
 sphinx: