PR: Remove Mambaforge usage and update Linux setup (CI) (#511)

Author: dalthviz

.github/workflows/ci.yml

@@ -130,23 +130,23 @@ jobs:
         shell: bash
         run: |
           sudo apt update
-          sudo apt install libpulse-dev libegl1-mesa libopengl0 gstreamer1.0-gl
+          sudo apt install libpulse-dev libegl1-mesa-dev libopengl0 gstreamer1.0-gl
       - uses: tlambert03/setup-qt-libs@v1
       - name: Install Conda
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
            activate-environment: ''
            auto-activate-base: true
            auto-update-conda: true
            channels: conda-forge
+           conda-remove-defaults: true
            channel-priority: strict
-           miniforge-variant: Mambaforge
-           use-mamba: true
+           miniforge-version: latest
       - name: Print Conda info
-        shell: bash -l {0}
+        shell: bash -el {0}
         run: |
-          mamba info
-          mamba list
+          conda info
+          conda list
       - name: Test PyQt5
         if: (! matrix.skip-pyqt5)
         run: ./.github/workflows/test.sh pyqt5

.github/workflows/test.sh

@@ -2,7 +2,7 @@
 
 eval "$(conda shell.bash hook)"
 
-# Create and activate mamba environment for this test
+# Create and activate conda environment for this test
 BINDING=$(echo "$1" | tr '[:lower:]' '[:upper:]')
 QT_VERSION_VAR=${BINDING}_QT_VERSION
 
@@ -27,7 +27,7 @@ if [ "$USE_CONDA" = "Yes" ]; then
 
 fi
 
-mamba create -y -n test-env-${BINDING} python=${PYTHON_VERSION} pytest${PYTEST_VERSION:->=6,!=7.0.0,!=7.0.1} pytest-cov>=3.0.0 pytest-qt${PYTESTQT_VERSION:-} ${QT_SPECS:-}
+conda create -y -n test-env-${BINDING} python=${PYTHON_VERSION} pytest${PYTEST_VERSION:->=6,!=7.0.0,!=7.0.1} pytest-cov>=3.0.0 pytest-qt${PYTESTQT_VERSION:-} ${QT_SPECS:-}
 
 conda activate test-env-${BINDING}
 
@@ -91,7 +91,7 @@ python -bb -X dev -W error -m build
 echo dist/*.whl | xargs -I % python -bb -X dev -W error -W "ignore::DeprecationWarning:pip._internal.locations._distutils" -W "ignore::DeprecationWarning:distutils.command.install" -W "ignore::DeprecationWarning:pip._internal.metadata.importlib._envs" -m pip install --upgrade %
 
 # Print environment information
-mamba list
+conda list
 
 # Run tests
 python -I -bb -X dev -W error -m pytest --cov qtpy --cov-config .coveragerc --cov-append