[Update] GitHub actions to dotnet-version: 7.0.x

Author: samatrhea

.github/workflows/CodeQuality.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: '6.0.x'
+          dotnet-version: '7.0.x'
 
       - name: Restore dependencies
         run: dotnet restore SysML2.NET.sln

.github/workflows/codeql-analysis.yml

@@ -13,27 +13,27 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.
         fetch-depth: 2
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v1
+      uses: github/codeql-action/init@v2
       # Override language selection by uncommenting this and choosing your languages
       with:
         languages: csharp
 
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v2
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: 7.0.x
     - name: Install dependencies
       run: dotnet restore
     - name: Build
       run: dotnet build --configuration Release --no-restore
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v1
+      uses: github/codeql-action/analyze@v2