Use commands instead

Author: stevepiercy

.readthedocs.yaml

@@ -10,17 +10,16 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.12"
-  jobs:
-    post_checkout:
-      # Cancel building pull requests when there aren't changes in the docs directory or YAML file.
-      # You can add any other files or directories that you'd like here as well,
-      # like your docs requirements file, or other files that will change your docs build.
-      #
-      # If there are no changes (git diff exits with 0) we force the command to return with 183.
-      # This is a special exit code on Read the Docs that will cancel the build immediately.
-      - |
-        if [ "$READTHEDOCS_VERSION_TYPE" = "external" ] && git diff --quiet origin/main -- docs/ .readthedocs.yaml requirements-initial.txt requirements.txt;
-        then
-          exit 183;
-        fi
-      - make rtd-pr-preview
+  commands:
+    # Cancel building pull requests when there aren't changes in the docs directory or YAML file.
+    # You can add any other files or directories that you'd like here as well,
+    # like your docs requirements file, or other files that will change your docs build.
+    #
+    # If there are no changes (git diff exits with 0) we force the command to return with 183.
+    # This is a special exit code on Read the Docs that will cancel the build immediately.
+    - |
+      if [ "$READTHEDOCS_VERSION_TYPE" = "external" ] && git diff --quiet origin/main -- docs/ .readthedocs.yaml requirements-initial.txt requirements.txt;
+      then
+        exit 183;
+      fi
+    - make rtd-pr-preview