change ${{ github.action_path }} with $GITHUB_ACTION_PATH (#160)

Author: carlosala

action.yml

@@ -111,18 +111,18 @@ runs:
           fi
         fi
         if [[ "${{runner.os}}"  == "macOS" ]]; then
-          python3 -m venv '${{ github.action_path }}/venv'
-          source '${{ github.action_path }}/venv/bin/activate'
+          python3 -m venv "$GITHUB_ACTION_PATH/venv"
+          source "$GITHUB_ACTION_PATH/venv/bin/activate"
         fi
-        python3 -m pip install -r '${{ github.action_path }}/requirements.txt'
+        python3 -m pip install -r "$GITHUB_ACTION_PATH/requirements.txt"
         clang-tools -i ${{ inputs.version }} -b
 
     - name: Run cpp-linter
       id: cpp-linter
       shell: bash
       run: |
-        if [[ "${{runner.os}}"  == "macOS" ]];then
-          source '${{ github.action_path }}/venv/bin/activate'
+        if [[ "${{runner.os}}"  == "macOS" ]]; then
+          source "$GITHUB_ACTION_PATH/venv/bin/activate"
         fi
         cpp-linter \
           --style="${{ inputs.style }}" \