Use bash for conditionals in GitHub Actions

Author: SergiiShcherbak

.github/workflows/ci-full-tests.yml

@@ -33,6 +33,7 @@ jobs:
             ${{ runner.os }}-pip-
 
       - name: Install dependencies
+        shell: bash
         run: |
           python -m pip install --upgrade pip
           if [ "${{ matrix.python-version }}" = "3.10" ]; then

.github/workflows/ci-quick-tests.yml

@@ -32,6 +32,7 @@ jobs:
             ${{ runner.os }}-pip-
 
       - name: Install dependencies
+        shell: bash
         run: |
           python -m pip install --upgrade pip
           if [ "${{ matrix.python-version }}" = "3.10" ]; then