Bump actions/setup-dotnet from 1 to 1.8.0

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 1 to 1.8.0.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v1...v1.8.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v1.8.0
       with:
         dotnet-version: '5.0'
     - name: Install dependencies

.github/workflows/codeql-analysis.yml

@@ -68,7 +68,7 @@ jobs:
     #    and modify them (or add more) to build your code if your project
     #    uses a compiled language
     - name: Setup .NET 5.0
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v1.8.0
       with:
         dotnet-version: '5.0'
     - name: Install dependencies