Replaced project reference to PPV2 package with the embedded custom one.

Packages/packages-lock.json

@@ -40,13 +40,13 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.postprocessing": {
-      "version": "3.2.2",
+      "version": "file:com.unity.postprocessing",
       "depth": 0,
-      "source": "registry",
+      "source": "embedded",
       "dependencies": {
-        "com.unity.modules.physics": "1.0.0"
-      },
-      "url": "https://packages.unity.com"
+        "com.unity.modules.physics": "1.0.0",
+        "fidelityfx.fsr": "1.0.0"
+      }
     },
     "com.unity.test-framework": {
       "version": "1.1.31",