build: update Unity packages and add Newtonsoft JSON

Packages/manifest.json

@@ -10,11 +10,12 @@
   ],
   "dependencies": {
     "com.github-glitchenzo.nugetforunity": "https://github.com/GlitchEnzo/NuGetForUnity.git?path=/src/NuGetForUnity",
-    "com.unity.ide.visualstudio": "2.0.26",
+    "com.unity.ide.visualstudio": "2.0.27",
     "com.unity.importer.usd": "1.0.0-pre.2",
     "com.unity.inputsystem": "1.19.0",
+    "com.unity.nuget.newtonsoft-json": "3.2.2",
     "com.unity.render-pipelines.universal": "17.3.0",
-    "com.unity.timeline": "1.8.11",
+    "com.unity.timeline": "1.8.12",
     "com.unity.ugui": "2.0.0",
     "jp.keijiro.klak.spout": "https://github.com/UltraCombos/KlakSpout.git?path=Packages/jp.keijiro.klak.spout#main",
     "jp.keijiro.metamesh": "1.2.0",

Packages/packages-lock.json

@@ -43,7 +43,7 @@
       "dependencies": {}
     },
     "com.unity.ide.visualstudio": {
-      "version": "2.0.26",
+      "version": "2.0.27",
       "depth": 0,
       "source": "registry",
       "dependencies": {
@@ -87,6 +87,13 @@
       "dependencies": {},
       "url": "https://packages.unity.com"
     },
+    "com.unity.nuget.newtonsoft-json": {
+      "version": "3.2.2",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://packages.unity.com"
+    },
     "com.unity.render-pipelines.core": {
       "version": "17.3.0",
       "depth": 1,
@@ -156,7 +163,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.timeline": {
-      "version": "1.8.11",
+      "version": "1.8.12",
       "depth": 0,
       "source": "registry",
       "dependencies": {