ci(release): use preinstalled Python on self-hosted windows runner

.gitea/workflows/release.yml

@@ -16,10 +16,21 @@ jobs:
           fetch-depth: 0
           tags: true
 
-      - name: Set up Python
-        uses: https://git.daemonlord.ru/actions/setup-python@v5
-        with:
-          python-version: "3.13"
+      - name: Ensure Python 3.13
+        shell: powershell
+        run: |
+          if (Get-Command python -ErrorAction SilentlyContinue) {
+            python --version
+          } elseif (Get-Command py -ErrorAction SilentlyContinue) {
+            $pyExe = py -3.13 -c "import sys; print(sys.executable)"
+            if (-not $pyExe) {
+              throw "Python 3.13 launcher is available, but interpreter was not found."
+            }
+            Split-Path $pyExe | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+            python --version
+          } else {
+            throw "Python is not installed on runner. Install Python 3.13 and restart runner service."
+          }
 
       - name: Install dependencies
         shell: bash