Update .readthedocs.yaml

Author: whart222

.readthedocs.yaml

@@ -4,9 +4,9 @@ conda:
     environment: doc/environment.yml
 
 build:
-    os: ubuntu-22.04
+    os: ubuntu-24.04
     tools:
-        python: "mambaforge-4.10"
+        python: 3.13
     commands:
         - ./doc/build_doc.sh ${SPHINX_PROJECT}