ci: install .NET 8 SDK in CI and builds

Author: mjcheetham

.github/workflows/codeql-analysis.yml

@@ -24,6 +24,11 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3.2.0
+      with:
+        dotnet-version: 8.0.x
+
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2

.github/workflows/continuous-integration.yml

@@ -21,7 +21,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 6.0.201
+        dotnet-version: 8.0.x
 
     - name: Install dependencies
       run: dotnet restore
@@ -61,7 +61,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 6.0.201
+        dotnet-version: 8.0.x
 
     - name: Install dependencies
       run: dotnet restore
@@ -102,7 +102,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 6.0.201
+        dotnet-version: 8.0.x
 
     - name: Install dependencies
       run: dotnet restore

.github/workflows/release.yml

@@ -37,7 +37,7 @@ jobs:
     - name: Set up .NET
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 7.0.x
+        dotnet-version: 8.0.x
 
     - name: Build
       run: |
@@ -152,7 +152,7 @@ jobs:
     - name: Set up .NET
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 7.0.x
+        dotnet-version: 8.0.x
 
     - name: Build
       run: |
@@ -192,7 +192,7 @@ jobs:
     - name: Set up .NET
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 7.0.x
+        dotnet-version: 8.0.x
 
     - name: Build with signed payload
       run: |
@@ -238,7 +238,7 @@ jobs:
     - name: Set up .NET
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 7.0.x
+        dotnet-version: 8.0.x
 
     - name: Build
       run: dotnet build --configuration=LinuxRelease
@@ -316,7 +316,7 @@ jobs:
     - name: Set up .NET
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 7.0.x
+        dotnet-version: 8.0.x
 
     - name: Build .NET tool
       run: |
@@ -410,7 +410,7 @@ jobs:
     - name: Set up .NET
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 7.0.x
+        dotnet-version: 8.0.x
 
     - name: Package tool
       run: |
@@ -523,7 +523,7 @@ jobs:
       - name: Set up .NET
         uses: actions/setup-dotnet@v3.2.0
         with:
-          dotnet-version: 7.0.x
+          dotnet-version: 8.0.x
 
       - name: Download artifacts
         uses: actions/download-artifact@v3
@@ -593,7 +593,7 @@ jobs:
       - name: Set up .NET
         uses: actions/setup-dotnet@v3.2.0
         with:
-          dotnet-version: 7.0.x
+          dotnet-version: 8.0.x
 
       - name: Download artifacts
         uses: actions/download-artifact@v3