add apt-get update (#239)

builders/ubuntu-python-builder.psm1

@@ -72,6 +72,7 @@ class UbuntuPythonBuilder : NixPythonBuilder {
             $tkinterInstallString = "sudo apt install -y python-tk tk-dev"
         }
 
+        Execute-Command -Command "sudo apt-get update"
         Execute-Command -Command $tkinterInstallString
 
         ### Install dependent packages

versions-manifest.json

@@ -1,4 +1,49 @@
 [
+  {
+    "version": "3.12.0-beta.4",
+    "stable": false,
+    "release_url": "https://github.com/actions/python-versions/releases/tag/3.12.0-beta.4-5528170069",
+    "files": [
+      {
+        "filename": "python-3.12.0-beta.4-darwin-arm64.tar.gz",
+        "arch": "arm64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.12.0-beta.4-5528170069/python-3.12.0-beta.4-darwin-arm64.tar.gz"
+      },
+      {
+        "filename": "python-3.12.0-beta.4-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.12.0-beta.4-5528170069/python-3.12.0-beta.4-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "python-3.12.0-beta.4-linux-20.04-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "platform_version": "20.04",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.12.0-beta.4-5528170069/python-3.12.0-beta.4-linux-20.04-x64.tar.gz"
+      },
+      {
+        "filename": "python-3.12.0-beta.4-linux-22.04-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "platform_version": "22.04",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.12.0-beta.4-5528170069/python-3.12.0-beta.4-linux-22.04-x64.tar.gz"
+      },
+      {
+        "filename": "python-3.12.0-beta.4-win32-x64.zip",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.12.0-beta.4-5528170069/python-3.12.0-beta.4-win32-x64.zip"
+      },
+      {
+        "filename": "python-3.12.0-beta.4-win32-x86.zip",
+        "arch": "x86",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.12.0-beta.4-5528170069/python-3.12.0-beta.4-win32-x86.zip"
+      }
+    ]
+  },
   {
     "version": "3.12.0-beta.3",
     "stable": false,
@@ -4131,27 +4176,27 @@
   {
     "version": "3.7.17",
     "stable": true,
-    "release_url": "https://github.com/actions/python-versions/releases/tag/3.7.17-5211758193",
+    "release_url": "https://github.com/actions/python-versions/releases/tag/3.7.17-5356448435",
     "files": [
       {
         "filename": "python-3.7.17-darwin-x64.tar.gz",
         "arch": "x64",
         "platform": "darwin",
-        "download_url": "https://github.com/actions/python-versions/releases/download/3.7.17-5211758193/python-3.7.17-darwin-x64.tar.gz"
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.7.17-5356448435/python-3.7.17-darwin-x64.tar.gz"
       },
       {
         "filename": "python-3.7.17-linux-20.04-x64.tar.gz",
         "arch": "x64",
         "platform": "linux",
         "platform_version": "20.04",
-        "download_url": "https://github.com/actions/python-versions/releases/download/3.7.17-5211758193/python-3.7.17-linux-20.04-x64.tar.gz"
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.7.17-5356448435/python-3.7.17-linux-20.04-x64.tar.gz"
       },
       {
         "filename": "python-3.7.17-linux-22.04-x64.tar.gz",
         "arch": "x64",
         "platform": "linux",
         "platform_version": "22.04",
-        "download_url": "https://github.com/actions/python-versions/releases/download/3.7.17-5211758193/python-3.7.17-linux-22.04-x64.tar.gz"
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.7.17-5356448435/python-3.7.17-linux-22.04-x64.tar.gz"
       }
     ]
   },