ci: correct order of operations in gh-pages.build

.github/workflows/gh-pages.yml

@@ -72,18 +72,20 @@ jobs:
         run: |
           python -m pip install -e .[formats]
           git config set versionsort.suffix -rc
-          export SANSMIC_SPHINX_VERSION=dev
           python sansmic-ci/build_switcher.py
           export SANSMIC_STABLE_VERSION=`cat stable.txt`
           mkdir sansmic-ci/docs/$SANSMIC_STABLE_VERSION
           touch sansmic-ci/docs/$SANSMIC_STABLE_VERSION/userman.rst
           touch sansmic-ci/docs/$SANSMIC_STABLE_VERSION/refman.rst
           cat sansmic-ci/docs/index.tpl | sed s/BUILD_SCRIPT_REPLACE/$SANSMIC_STABLE_VERSION/g > sansmic-ci/docs/index.rst
 
+          export SANSMIC_SPHINX_VERSION=root
           sphinx-build -b html -d doctrees/root/ sansmic-ci/docs/ html/
           mkdir docs/_build
           mkdir docs/_build/doxyxml
           mkdir html/
+
+          export SANSMIC_SPHINX_VERSION=dev
           sphinx-build -b html -d doctrees/latest docs/ html/latest
           for TAG in `git tag --list "v*.*.*" --sort=-version:refname`
           do