Merge pull request #832 from vim-jp/dependabot/github_actions/actions/setup-python-6

chore(deps): bump actions/setup-python from 5 to 6

Author: thinca

.github/workflows/buildtest.yml

@@ -50,7 +50,7 @@ jobs:
           brew upgrade
           brew install lua
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version-file: '.python-version'
       - name: Setup venv
@@ -189,7 +189,7 @@ jobs:
           [System.IO.Compression.ZipFile]::ExtractToDirectory($zip, $lua)
           Write-Output "$($lua)" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version-file: '.python-version'
       - name: Setup venv