return macOS-10.15

.github/workflows/python-builder.yml

@@ -14,7 +14,7 @@ on:
       PLATFORMS:
         description: 'Platforms for execution in "os" or "os_arch" format (arch is "x64" by default)'
         required: true
-        default: 'ubuntu-18.04,ubuntu-20.04,ubuntu-22.04,macos-11,windows-2019_x64,windows-2019_x86'
+        default: 'ubuntu-18.04,ubuntu-20.04,ubuntu-22.04,macos-10.15,windows-2019_x64,windows-2019_x86'
   pull_request:
     paths-ignore:
     - 'versions-manifest.json'
@@ -38,7 +38,7 @@ jobs:
       - name: Generate execution matrix
         id: generate-matrix
         run: |
-          [String[]]$configurations = "${{ github.event.inputs.platforms || 'ubuntu-18.04,ubuntu-20.04,ubuntu-22.04,macos-11,windows-2019_x64,windows-2019_x86' }}".Split(",").Trim()
+          [String[]]$configurations = "${{ github.event.inputs.platforms || 'ubuntu-18.04,ubuntu-20.04,ubuntu-22.04,macos-10.15,windows-2019_x64,windows-2019_x86' }}".Split(",").Trim()
           $matrix = @()
 
           foreach ($configuration in $configurations) {

versions-manifest.json

@@ -2635,6 +2635,40 @@
       }
     ]
   },
+  {
+    "version": "3.8.15",
+    "stable": true,
+    "release_url": "https://github.com/actions/python-versions/releases/tag/3.8.15-3582057865",
+    "files": [
+      {
+        "filename": "python-3.8.15-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.8.15-3582057865/python-3.8.15-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "python-3.8.15-linux-18.04-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "platform_version": "18.04",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.8.15-3582057865/python-3.8.15-linux-18.04-x64.tar.gz"
+      },
+      {
+        "filename": "python-3.8.15-linux-20.04-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "platform_version": "20.04",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.8.15-3582057865/python-3.8.15-linux-20.04-x64.tar.gz"
+      },
+      {
+        "filename": "python-3.8.15-linux-22.04-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "platform_version": "22.04",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.8.15-3582057865/python-3.8.15-linux-22.04-x64.tar.gz"
+      }
+    ]
+  },
   {
     "version": "3.8.14",
     "stable": true,