fix(common): Fix pyenv install in test runner

Author: david-cermak

.github/workflows/mdns__build-target-test.yml

@@ -73,22 +73,13 @@ jobs:
           PIP_EXTRA_INDEX_URL: "https://www.piwheels.org/simple"
         run: |
             sudo apt-get install -y dnsutils
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12.6"
       - name: Run ${{ matrix.test.app }} application on ${{ matrix.idf_target }}
         working-directory: components/mdns/${{ matrix.test.path }}
         run: |
-            export PYENV_ROOT="$HOME/.pyenv"
-            export PATH="$PYENV_ROOT/bin:$PATH"
-            eval "$(pyenv init --path)"
-            eval "$(pyenv init -)"
-            if ! pyenv versions --bare | grep -q '^3\.12\.6$'; then
-              echo "Installing Python 3.12.6..."
-              pyenv install -s 3.12.6
-            fi
-            if ! pyenv virtualenvs --bare | grep -q '^myenv$'; then
-              echo "Creating pyenv virtualenv 'myenv'..."
-              pyenv virtualenv 3.12.6 myenv
-            fi
-            pyenv activate myenv
             python --version
             pip install --prefer-binary cryptography pytest-embedded pytest-embedded-serial-esp pytest-embedded-idf pytest-custom_exit_code esptool
             pip install --extra-index-url https://dl.espressif.com/pypi/ -r $GITHUB_WORKSPACE/ci/requirements.txt