test: fix python-version selection with actions

s/PYTHON\_VERSION/python-version

Refs: https://github.com/actions/setup-python

PR-URL: #32609
Reviewed-By: Matheus Marchini <mat@mmarchini.me>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

.github/workflows/build-windows.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v1
         with:
-          PYTHON_VERSION: ${{ env.PYTHON_VERSION }}
+          python-version: ${{ env.PYTHON_VERSION }}
       - name: Install deps
         run: choco install nasm
       - name: Environment Information

.github/workflows/test-linux.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v1
         with:
-          PYTHON_VERSION: ${{ env.PYTHON_VERSION }}
+          python-version: ${{ env.PYTHON_VERSION }}
       - name: Environment Information
         run: npx envinfo
       - name: Build

.github/workflows/test-macos.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v1
         with:
-          PYTHON_VERSION: ${{ env.PYTHON_VERSION }}
+          python-version: ${{ env.PYTHON_VERSION }}
       - name: Environment Information
         run: npx envinfo
       - name: Build