update qiita conda install

Author: antgonza

.github/workflows/qiita-plugin-ci.yml

@@ -62,10 +62,8 @@ jobs:
 
           # Setting up main qiita conda environment
           conda config --add channels conda-forge
-          conda create -q --yes -n qiita python=3.6 pip==9.0.3 libgfortran numpy nginx cython redis
+          conda create -q --yes -n qiita python=3.9 libgfortran numpy nginx cython redis
           conda activate qiita
-          pip install --upgrade pip
-          pip install sphinx sphinx-bootstrap-theme nose-timer codecov Click
 
       - name: Qiita install
         shell: bash -l {0}