ci: simplify dotnet setup in build-executables.yml by removing matrix strategy

Author: chemodun

.github/workflows/build-executables.yml

@@ -11,9 +11,6 @@ permissions:
 jobs:
   build-and-release:
     runs-on: windows-latest
-    strategy:
-      matrix:
-        dotnet-version: [ '8.x' ]
     steps:
       # Step 1: Checkout the repository
       - name: Checkout repository
@@ -23,8 +20,7 @@ jobs:
       - name: Setup dotnet ${{ matrix.dotnet-version }}
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: ${{ matrix.dotnet-version }}
-          # cache: true
+          dotnet-version: '8.x'
 
       # Step 3: Install dependencies
       - name: Install dependencies