fix yml syntax in docs.yml

Author: bobleesj

.github/workflows/docs.yml

@@ -25,14 +25,10 @@ jobs:
           auto-update-conda: true
 
       - name: install requirements
-        run: >-
+        run: |
           conda create -n test python=3.12 --quiet --yes
           conda activate test
-          conda install -n build -c conda-forge
-          --file requirements/build.txt
-          --file requirements/run.txt
-          --file requirements/docs.txt
-          --quiet --yes
+          conda install -n build -c conda-forge --file requirements/build.txt --file requirements/run.txt --file requirements/docs.txt --quiet --yes
 
       - name: install the package
         run: python -m pip install . --no-deps
@@ -57,4 +53,4 @@ jobs:
         uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./doc/build/html
+          publish_dir: ./doc/build/html