CI: Bump versions of GitHub actions

* This is to get Node 20 because older versions are deprecated.
* Also replace Replace mambaforge by miniforge now that conda uses
  the same solver as mamba.

Author: jitseniesen

.github/workflows/run-tests.yml

@@ -14,7 +14,7 @@ jobs:
       fail-fast: false 
       matrix:
         OS: ['ubuntu', 'macos', 'windows']
-        PYTHON_VERSION: ['3.8', '3.9', '3.10']
+        PYTHON_VERSION: ['3.9', '3.10', '3.11']
         SPYDER_SOURCE: ['git']
     name: ${{ matrix.OS }} py${{ matrix.PYTHON_VERSION }} spyder-from-${{ matrix.SPYDER_SOURCE }}
     runs-on: ${{ matrix.OS }}-latest
@@ -23,58 +23,57 @@ jobs:
       PYTHON_VERSION: ${{ matrix.PYTHON_VERSION }}
     steps:
       - name: Checkout branch
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install System Packages
         if: matrix.OS == 'ubuntu'
         run: | 
           sudo apt-get update --fix-missing
           sudo apt-get install -qq pyqt5-dev-tools libxcb-xinerama0 xterm --fix-missing
       - name: Install Conda
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
-           miniforge-variant: Mambaforge
            auto-update-conda: true
            python-version: ${{ matrix.PYTHON_VERSION }} 
       - name: Checkout Spyder from git
         if: matrix.SPYDER_SOURCE == 'git'
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: 'spyder-ide/spyder'
           path: 'spyder'
       - name: Install Spyder's dependencies (main)
         if: matrix.SPYDER_SOURCE == 'git'
         shell: bash -l {0}
-        run: mamba env update --file spyder/requirements/main.yml
+        run: conda env update --file spyder/requirements/main.yml
       - name: Install Spyder's dependencies (Linux)
         if: matrix.SPYDER_SOURCE == 'git' && matrix.OS == 'ubuntu'
         shell: bash -l {0}
-        run: mamba env update --file spyder/requirements/linux.yml
+        run: conda env update --file spyder/requirements/linux.yml
       - name: Install Spyder's dependencies (Mac / Windows)
         if: matrix.SPYDER_SOURCE == 'git' && matrix.OS != 'ubuntu'
         shell: bash -l {0}
-        run: mamba env update --file spyder/requirements/${{ matrix.OS }}.yml
+        run: conda env update --file spyder/requirements/${{ matrix.OS }}.yml
       - name: Install Spyder from source
         if: matrix.SPYDER_SOURCE == 'git'
         shell: bash -l {0}
         run: pip install --no-deps -e spyder
       - name: Install node.js
         shell: bash -l {0}
-        run: mamba install nodejs -y
+        run: conda install nodejs -y
       - name: Install plugin dependencies (without Spyder)
         if: matrix.SPYDER_SOURCE == 'git'
         shell: bash -l {0}
         run: |
           python .github/scripts/generate-without-spyder.py
-          mamba install --file requirements/without-spyder.txt -y
+          conda install --file requirements/without-spyder.txt -y
       - name: Install plugin dependencies
         if: matrix.SPYDER_SOURCE == 'conda'
         shell: bash -l {0}
-        run: mamba install --file requirements/conda.txt -y
+        run: conda install --file requirements/conda.txt -y
       - name: Install test dependencies
         shell: bash -l {0}
         run: |
-          mamba install nomkl -y -q
-          mamba install --file requirements/tests.txt -y
+          conda install nomkl -y -q
+          conda install --file requirements/tests.txt -y
       - name: Build JavaScript
         shell: bash -l {0}
         run: |
@@ -87,11 +86,11 @@ jobs:
       - name: Show environment information
         shell: bash -l {0}
         run: |
-          mamba info
-          mamba list
+          conda info
+          conda list
       - name: Run tests (Linux)
         if: matrix.OS == 'ubuntu'
-        uses: nick-fields/retry@v2
+        uses: nick-fields/retry@v3
         with:
           timeout_minutes: 10
           max_attempts: 3
@@ -101,7 +100,7 @@ jobs:
             xvfb-run --auto-servernum pytest spyder_notebook --cov=spyder_notebook --cov-report=xml -vv
       - name: Run tests (MacOS)
         if: matrix.OS == 'macos'
-        uses: nick-fields/retry@v2
+        uses: nick-fields/retry@v3
         with:
           timeout_minutes: 10
           max_attempts: 3
@@ -111,13 +110,8 @@ jobs:
             pytest spyder_notebook -vv
       - name: Run tests (Windows)
         if: matrix.OS == 'windows'
-        uses: nick-fields/retry@v2
+        uses: nick-fields/retry@v3
         with:
           timeout_minutes: 10
           max_attempts: 3
           command: pytest spyder_notebook -vv
-      - name: Upload coverage to Codecov
-        if: matrix.OS == 'ubuntu' && matrix.PYTHON_VERSION == '3.10'
-        uses: codecov/codecov-action@v3
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}