add missing os configuration

Deric-W · Deric-W · commit 86546e92744b · 2022-10-04T17:09:23.000+02:00
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
@@ -1,6 +1,7 @@
 version: 2
 
 build:
+  os: "ubuntu-22.04"
   tools:
     python: "3.10"
 
