Adopt support for python 3.8-3.10 (#316)

* Unpin micromamba

* Update actions to the node16 runtime

* Adopt support for python 3.8-3.10 window (NEP 29)

* Migrate codecov-action to v3

Author: dnerini

.github/workflows/check_black.yml

@@ -21,9 +21,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python 3.8
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.8
       - name: Install dependencies

.github/workflows/python-publish.yml

@@ -13,9 +13,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Install dependencies

.github/workflows/test_pysteps.yml

@@ -20,23 +20,22 @@ jobs:
       fail-fast: false
       matrix:
         os: [ "ubuntu-latest", "macos-latest", "windows-latest" ]
-        python-version: [ "3.7", "3.8", "3.9" ]
+        python-version: ["3.8", "3.10"]
       max-parallel: 6
 
     defaults:
       run:
         shell: bash -l {0}
 
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 
       - name: Install mamba and create environment
         uses: mamba-org/provision-with-micromamba@main
         with:
-          micromamba-version: 0.24.0
           environment-file: ci/ci_test_env.yml
           environment-name: test_environment
           extra-specs: python=${{ matrix.python-version }}
@@ -87,12 +86,12 @@ jobs:
 
       - name: Upload coverage to Codecov (Linux only)
         if: matrix.os == 'ubuntu-latest'
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v3
         env:
           OS: ${{ matrix.os }}
           PYTHON: ${{ matrix.python-version }}
         with:
-          file: ${{github.workspace}}/pysteps_data/coverage.xml
+          files: ${{github.workspace}}/pysteps_data/coverage.xml
           flags: unit_tests
           env_vars: OS,PYTHON
           fail_ci_if_error: true

doc/source/user_guide/install_pysteps.rst

@@ -8,7 +8,7 @@ Dependencies
 
 The pysteps package needs the following dependencies
 
-* `python >=3.7, <3.10 <http://www.python.org/>`_ (lower or higher versions may work but are not tested).
+* `python >=3.8, <3.11 <http://www.python.org/>`_ (lower or higher versions may work but are not tested).
 * `jsonschema <https://pypi.org/project/jsonschema/>`_
 * `matplotlib <http://matplotlib.org/>`_
 * `netCDF4 <https://pypi.org/project/netCDF4/>`_