Update dependency JsonPatch.Net to v4 (#1620)

* chore(deps): update dependency jsonpatch.net to v4

* update test

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Tobias Netskar <git@t4s.no>

Author: renovate[bot]

Directory.Packages.props

@@ -21,7 +21,7 @@
     <PackageVersion Include="CSharpier.MsBuild" Version="1.2.5" />
     <PackageVersion Include="Docker.DotNet" Version="3.125.15" />
     <PackageVersion Include="FluentAssertions" Version="7.2.0" />
-    <PackageVersion Include="JsonPatch.Net" Version="3.3.0" />
+    <PackageVersion Include="JsonPatch.Net" Version="4.0.1" />
     <PackageVersion Include="JWTCookieAuthentication" Version="3.0.1" />
     <PackageVersion Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.23.0" />
     <PackageVersion Include="Microsoft.Build.Tasks.Core" Version="17.10.29" />

test/Altinn.App.Api.Tests/OpenApi/OpenApiSpecChangeDetection.SaveJsonSwagger.verified.json

@@ -9095,6 +9095,17 @@
         },
         "additionalProperties": false
       },
+      "JsonPointer": {
+        "type": "object",
+        "properties": {
+          "segmentCount": {
+            "type": "integer",
+            "format": "int32",
+            "readOnly": true
+          }
+        },
+        "additionalProperties": false
+      },
       "KeyValueEntry": {
         "type": "object",
         "properties": {
@@ -9547,20 +9558,10 @@
             "$ref": "#/components/schemas/OperationType"
           },
           "from": {
-            "type": "array",
-            "items": {
-              "type": "string"
-            },
-            "nullable": true,
-            "readOnly": true
+            "$ref": "#/components/schemas/JsonPointer"
           },
           "path": {
-            "type": "array",
-            "items": {
-              "type": "string"
-            },
-            "nullable": true,
-            "readOnly": true
+            "$ref": "#/components/schemas/JsonPointer"
           },
           "value": {
             "$ref": "#/components/schemas/JsonNode"