use python -m consistently in CI

Author: PicoCentauri

.github/workflows/lint.yml

@@ -14,6 +14,6 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: "3.12"
-    - run: pip install tox
+    - run: python -m pip install tox
     - name: Lint the code
       run: tox -e lint

.github/workflows/tests.yml

@@ -29,7 +29,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - run: pip install tox coverage[toml]
+    - run: python -m pip install tox coverage[toml]
     - name: run Python minimal tests
       run: tox -e tests-min
 
@@ -55,7 +55,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - run: pip install tox coverage[toml]
+    - run: python -m pip install tox coverage[toml]
     - name: run Python tests
       run: |
         tox -e tests