fix: CircleCI docs build

Author: oesteban

.circleci/config.yml

@@ -173,7 +173,8 @@ jobs:
           name: Build only this commit
           command: |
             export PATH="$HOME/.conda/bin:$PATH"
-            python setup.py --version
+            python -m pip install "setuptools_scm>=8"
+            python -m setuptools_scm
             make -C docs SPHINXOPTS="-W" BUILDDIR="$HOME/html" CURBRANCH="${CIRCLE_TAG}" html
       - store_artifacts:
           path: ~/html