[GR-68873] Use correct Python version in GitHub style gate

PullRequest: graal/21915

Author: DSouzaM

.github/workflows/main.yml

@@ -200,9 +200,7 @@ jobs:
       run: sudo apt install gdb
     - name: Install style dependencies
       if: ${{ env.MX_RUNS_STYLE == 'true' }}
-      run: |
-        sudo apt install python3-pip python-setuptools
-        sudo pip install $(jq -r '[.pip | to_entries[] | join("")] | join(" ")' common.json)
+      run: ${MX_PYTHON} -m pip install $(jq -r '[.pip | to_entries[] | join("")] | join(" ")' common.json)
     - name: Install additional pip packages
       if: ${{ matrix.env.PIP_PACKAGES != '' }}
       run: ${MX_PYTHON} -m pip install ${{ matrix.env.PIP_PACKAGES }}