Updated Unity version and updated asset packages to avoid deprecation

Packages/manifest.json

@@ -3,11 +3,10 @@
     "com.unity.collab-proxy": "1.2.16",
     "com.unity.ext.nunit": "1.0.0",
     "com.unity.ide.rider": "1.1.0",
-    "com.unity.ide.vscode": "1.1.2",
-    "com.unity.package-manager-ui": "2.2.0",
-    "com.unity.test-framework": "1.0.13",
+    "com.unity.ide.vscode": "1.1.3",
+    "com.unity.test-framework": "1.1.3",
     "com.unity.textmeshpro": "2.0.1",
-    "com.unity.timeline": "1.1.0",
+    "com.unity.timeline": "1.2.6",
     "com.unity.ugui": "1.0.0",
     "com.unity.modules.ai": "1.0.0",
     "com.unity.modules.androidjni": "1.0.0",

ProjectSettings/ProjectVersion.txt

@@ -1,2 +1,2 @@
-m_EditorVersion: 2019.2.13f1
-m_EditorVersionWithRevision: 2019.2.13f1 (e20f6c7e5017)
+m_EditorVersion: 2019.3.0f1
+m_EditorVersionWithRevision: 2019.3.0f1 (ffacea4b84e7)