fix(CICD): Fixed build-dotnet and publish workflows

Author: cdavernas

.github/workflows/build-dotnet.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        dotnet-version: ['6.0.x' ]
+        dotnet-version: ['8.0.x' ]
 
     steps:
       - name: Checkout

.github/workflows/publish.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.x
       - name: Restore dependencies
         run: dotnet restore "./Synapse.sln"
       - name: Build
@@ -105,7 +105,7 @@ jobs:
       - name: Setup
         uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.0x
       - name: Restore
         run: dotnet restore
       - name: Build
@@ -154,7 +154,7 @@ jobs:
       - name: Setup
         uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.0x
       - name: Restore
         run: dotnet restore
       - name: Build
@@ -203,7 +203,7 @@ jobs:
       - name: Setup
         uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.0x
       - name: Restore
         run: dotnet restore
       - name: Build
@@ -238,7 +238,7 @@ jobs:
       - name: Setup
         uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.0x
       - name: Restore
         run: dotnet restore
       - name: Build
@@ -267,7 +267,7 @@ jobs:
       - name: Setup
         uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.0x
       - name: Restore
         run: dotnet restore
       - name: Build