ditch micromamba

.github/workflows/deploy-docs.yml

@@ -7,27 +7,27 @@ on:
     tags:
       - "v*"
 
+defaults:
+  run:
+    shell: bash
+
 jobs:
   run:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
 
-    - name: Setup Micromamba
-      uses: mamba-org/setup-micromamba@v2
+    - name: Set up Python
+      uses: actions/setup-python@v5
       with:
-        environment-name: TEST
-        init-shell: bash
-        create-args: >-
-          python=3 numpy --file requirements-dev.txt --channel conda-forge
+        python-version: "3.x"
 
     - name: Install gsw
-      shell: bash -l {0}
-      run: |
-        python -m pip install -e . --no-deps --force-reinstall
+      run: >
+        python -m pip install -r requirements-dev.txt
+        && python -m pip install -e .
 
     - name: Build documentation
-      shell: bash -l {0}
       run: >
         set -e
         && pushd docs