Add more net9 samples (OpenAPITools#20491)

* add restsharp net9 samples

* add httpclient net9 samples

* add unity net9 samples

* update workflow

* comment out unity test

Author: wing328

.github/workflows/samples-dotnet9.yaml

@@ -35,6 +35,12 @@ jobs:
           - samples/client/petstore/csharp/generichost/net9/Petstore
           - samples/client/petstore/csharp/generichost/net9/SourceGeneration
           - samples/client/petstore/csharp/generichost/net9/UseDateTimeForDate
+          # restsharp
+          - samples/client/petstore/csharp/restsharp/net9/EnumMappings
+          # httpclient
+          - samples/client/petstore/csharp/httpclient/net9/Petstore
+          # unity
+          #- samples/client/petstore/csharp/unityWebRequest/net9/Petstore
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-dotnet@v4.2.0

bin/configs/csharp-httpclient-net9.yaml

@@ -0,0 +1,13 @@
+# for .net standard httpclient
+generatorName: csharp
+outputDir: samples/client/petstore/csharp/httpclient/net9/Petstore
+inputSpec: modules/openapi-generator/src/test/resources/3_0/csharp/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
+templateDir: modules/openapi-generator/src/main/resources/csharp
+library: httpclient
+additionalProperties:
+  packageGuid: '{321C8C3F-0156-40C1-AE42-D59761FB9B6C}'
+  useCompareNetObjects: true 
+  disallowAdditionalPropertiesIfNotPresent: false
+  useOneOfDiscriminatorLookup: true
+  targetFramework: net9.0
+  equatable: true

bin/configs/csharp-restsharp-net9.yaml

@@ -0,0 +1,14 @@
+# for .net standard
+generatorName: csharp
+outputDir: samples/client/petstore/csharp/restsharp/net9/EnumMappings
+inputSpec: modules/openapi-generator/src/test/resources/3_0/csharp/petstore-with-fake-endpoints-models-for-testing-with-http-signature-oneof-primitive-types.yaml
+templateDir: modules/openapi-generator/src/main/resources/csharp
+additionalProperties:
+  packageGuid: '{321C8C3F-0156-40C1-AE42-D59761FB9B6C}'
+  useCompareNetObjects: true 
+  disallowAdditionalPropertiesIfNotPresent: false
+  useOneOfDiscriminatorLookup: true
+  targetFramework: net9.0
+  equatable: true
+enumNameMappings:
+  delivered: Shipped

bin/configs/csharp-unityWebRequest-net9.yaml

@@ -0,0 +1,9 @@
+# for .net Unity
+generatorName: csharp
+outputDir: samples/client/petstore/csharp/unityWebRequest/net9/Petstore
+inputSpec: modules/openapi-generator/src/test/resources/3_0/csharp/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
+templateDir: modules/openapi-generator/src/main/resources/csharp
+library: unityWebRequest
+additionalProperties:
+  targetFramework: net9.0
+  equatable: true