Fix 3.15 ci job (#728)

* ci: modernize release workflow (python -m build) and update GitHub Actions versions

* fix 3.15

Author: aleksandr-kotlyar

.github/workflows/test.yml

@@ -166,15 +166,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ '3.14', '3.15.0-beta.1' ]
-        allow-prereleases: true
+        python-version: [ '3.14', '3.15' ]
         selenium-version: [ '4.10.0' ]
 
     steps:
       - uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
@@ -191,7 +190,8 @@ jobs:
         run: |
           python -m pip install -U pip wheel
           pip install pipenv
-          pipenv install --dev --skip-lock --python=${{ matrix.python-version }}
+          pipenv --python "$(which python)"
+          pipenv install --dev --skip-lock
           pipenv install selenium==${{ matrix.selenium-version }}
 
       - name: Run tests on Linux (future Python, non-blocking)
@@ -218,7 +218,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}