Merge pull request AngleSharp#1145 from martincostello/fix-gha-warnings

Fix GitHub Actions warnings

Author: FlorianRappl

.github/workflows/ci.yml

@@ -18,18 +18,18 @@ jobs:
         id: check_job
         run: |
             echo "value: ${{ env.DOCS_PATH != null && github.ref == env.DOCS_BRANCH }}"
-            echo "::set-output name=value::${{ env.DOCS_PATH != null && github.ref == env.DOCS_BRANCH }}"
+            echo "value=${{ env.DOCS_PATH != null && github.ref == env.DOCS_BRANCH }}" >> "${GITHUB_OUTPUT}"
 
   documentation:
     needs: [can_document]
     runs-on: ubuntu-latest
     if: needs.can_document.outputs.value == 'true'
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Use Node.js
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v4
       with:
         node-version: "14.x"
         registry-url: 'https://registry.npmjs.org'
@@ -48,10 +48,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Setup dotnet
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v3
       with:
         dotnet-version: |
           6.0.x
@@ -64,10 +64,10 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Setup dotnet
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v3
       with:
         dotnet-version: |
           6.0.x