Update versions-manifest based on build from 20200715.1 (actions#42)

Co-authored-by: Service account <no-reply@microsoft.com>

Author: MaksimZhukov

versions-manifest.json

@@ -733,6 +733,48 @@
       }
     ]
   },
+  {
+    "version": "3.4.10",
+    "stable": true,
+    "release_url": "https://github.com/actions/python-versions/releases/tag/3.4.10",
+    "files": [
+      {
+        "filename": "python-3.4.10-linux-16.04-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "platform_version": "16.04",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.4.10/python-3.4.10-linux-16.04-x64.tar.gz"
+      },
+      {
+        "filename": "python-3.4.10-linux-18.04-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "platform_version": "18.04",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.4.10/python-3.4.10-linux-18.04-x64.tar.gz"
+      }
+    ]
+  },
+  {
+    "version": "3.3.7",
+    "stable": true,
+    "release_url": "https://github.com/actions/python-versions/releases/tag/3.3.7",
+    "files": [
+      {
+        "filename": "python-3.3.7-linux-16.04-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "platform_version": "16.04",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.3.7/python-3.3.7-linux-16.04-x64.tar.gz"
+      },
+      {
+        "filename": "python-3.3.7-linux-18.04-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "platform_version": "18.04",
+        "download_url": "https://github.com/actions/python-versions/releases/download/3.3.7/python-3.3.7-linux-18.04-x64.tar.gz"
+      }
+    ]
+  },
   {
     "version": "2.7.18",
     "stable": true,