Add support for pinning specific Edge version (not stable/beta/dev/canary)

[danielhjacobs]

For Chrome, I can do this:

      - name: Install pinned Chrome (workaround for actions/runner-images#14169)
        if: matrix.browser == 'chrome'
        id: setup-chrome
        uses: browser-actions/setup-chrome@v2
        with:
          chrome-version: '148.0.7778.167'
          install-dependencies: true
          install-chromedriver: true

For Edge, I have to do this:

      - name: Install pinned Edge (workaround for actions/runner-images#14223)
        if: matrix.browser == 'edge'
        run: |
          # Download and install pinned Edge
          wget https://packages.microsoft.com/repos/edge/pool/main/m/microsoft-edge-stable/microsoft-edge-stable_148.0.3967.96-1_amd64.deb
          sudo apt-get install --allow-downgrades -y ./microsoft-edge-stable_148.0.3967.96-1_amd64.deb

          # Download and extract pinned EdgeDriver
          wget https://msedgedriver.microsoft.com/148.0.3967.96/edgedriver_linux64.zip
          unzip edgedriver_linux64.zip
          sudo mv msedgedriver /usr/local/bin/msedgedriver
          sudo chmod +x /usr/local/bin/msedgedriver

          # Export paths for WDIO
          echo "EDGE_BIN=/usr/bin/microsoft-edge" >> "$GITHUB_ENV"
          echo "EDGEWEBDRIVER=/usr/local/bin/msedgedriver" >> "$GITHUB_ENV"