Switch deployment workflow to re-usable action. (#126)

* Update deploy.yaml: use the mdanalysis pypi and testpypi deployment actions

.github/workflows/deploy.yaml

@@ -1,4 +1,4 @@
-name: Build and upload to PyPI
+name: Build and upload to PyPi
 
 on:
   push:
@@ -8,55 +8,29 @@ on:
     types:
       - published
 
-
-concurrency:
-  group: "${{ github.ref }}-${{ github.head_ref }}-${{ github.workflow }}"
-  cancel-in-progress: true
-
-
-defaults:
-  run:
-    shell: bash -l {0}
-
-
 jobs:
-  build_wheels:
+  pypi_push:
     environment: deploy
     if: "github.repository == 'MDAnalysis/GridDataFormats'"
-    name: Build pure Python wheel
+    name: Build, upload and test pure Python wheels
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - name: setup_miniconda
-        uses: conda-incubator/setup-miniconda@v2
-        with:
-          python-version: 3.9
-          auto-update-conda: true
-          add-pip-as-python-dependency: true
-          architecture: x64
-
-      - name: install_deps
-        run: |
-          python -m pip install build
-
-      - name: build
-        run: |
-          python -m build --sdist --wheel --outdir dist/
 
-      - name: publish_testpypi
-        # Upload to testpypi on every tag
+      - name: testpypi_deploy
+        uses: MDAnalysis/pypi-deployment@main
         if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
-        uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          password: ${{ secrets.TEST_PYPI_API_TOKEN }}
-          repository_url: https://test.pypi.org/legacy/
+          token: ${{ secrets.TEST_PYPI_API_TOKEN }}
+          test_submission: true
+          package_name: GridDataFormats
+          module_name: 'gridData'
 
-      - name: publish_pypi
+      - name: pypi_deploy
+        uses: MDAnalysis/pypi-deployment@main
         if: github.event_name == 'release' && github.event.action == 'published'
-        uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          password: ${{ secrets.PYPI_API_TOKEN }}
+          token: ${{ secrets.PYPI_API_TOKEN }}
+          package_name: GridDataFormats
+          module_name: 'gridData'