Update Python version and enhance build configuration in readthedocs.yml

A Python version upgrade is included in this commit, going from Python 3.7 to Python 3.10. Additionally, the build configuration in .readthedocs.yml file was enhanced, with the introduction of specific OS and tools settings. This update ensures our documentation-building process is using current resources and expectations.

.readthedocs.yml

@@ -3,7 +3,16 @@ version: 2
 mkdocs:
   configuration: mkdocs.yml
 
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-20.04
+  tools:
+    python: "3.10"
+
 python:
-  version: 3.7
   install:
     - requirements: docs/requirements.txt
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs