Update the Github checkout and setup-dotnet actions from v3 to v4

Author: Numpsy

.github/workflows/ci.yml

@@ -19,10 +19,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
 
       - name: Build
         run: dotnet fsi build.fsx

.github/workflows/release.yml

@@ -16,10 +16,10 @@ jobs:
           echo ::set-output name=current_version::${GITHUB_REF#refs/tags/v}
         shell: bash
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
 
       - name: Run Release Build
         run: dotnet fsi build.fsx -p ReleaseBuild