- Remove .NET 5.0 from CI

.github/workflows/ci.yml

@@ -124,15 +124,13 @@ jobs:
       EASYPOST_PROD_API_KEY: "123"
     strategy:
       matrix:
-        name: [ 'NetStandard20', 'Net50', 'Net60', 'Net70', 'Net80' ]
+        name: [ 'NetStandard20', 'Net60', 'Net70', 'Net80' ]
         include:
           - name: NetStandard20
             # can't run tests on .NET Standard, it's just a bridge between .NET Framework and .NET.
             # So we'll target .NET Framework 4.6.2
             # More notes at the bottom of this file
             framework: net462
-          - name: Net50
-            framework: net5.0
           - name: Net60
             framework: net6.0
           - name: Net70
@@ -147,9 +145,9 @@ jobs:
       - name: Install .NET SDK
         uses: actions/setup-dotnet@v3
         with:
-          # .NET 5.0 is deprecated and removed from GitHub Actions, we need to manually install it
           dotnet-version: |
-            5.x.x
+            6.x.x
+            7.x.x
             8.x.x
 
       - name: Setup MSBuild