Fix .Net Core App contraints

docker-compose.yaml

@@ -0,0 +1,6 @@
+version: "3.8"
+services:
+  izrs:
+    build: .
+    ports:
+      - "8889:80"

src/steeltoe-2.4.x--netcoreapp2.1--webapi--csharp/.IZR/metadata.yaml

@@ -1,7 +1,7 @@
 description: Steeltoe 2.4.x, netcoreapp2.1, webapi, C#
 constraints:
   steeltoeVersionRange: "[2.4.0,3.0.0)"
-  dotNetFrameworkRange: "[netcoreapp2.1,netcoreapp3.0)"
+  dotNetFrameworkRange: "[netcoreapp2.1,netcoreapp2.2)"
   dotNetTemplate: webapi
   language: csharp
 manifest:

src/steeltoe-2.4.x--netcoreapp3.1--webapi--csharp/.IZR/metadata.yaml

@@ -1,7 +1,7 @@
 description: Steeltoe 2.4.x, netcoreapp3.1, webapi, C#
 constraints:
   steeltoeVersionRange: "[2.4.0,3.0.0)"
-  dotNetFrameworkRange: "[netcoreapp2.1,netcoreapp3.0)"
+  dotNetFrameworkRange: "netcoreapp3.1"
   dotNetTemplate: webapi
   language: csharp
 manifest: