update github actions to latest version (#92)

Author: raphael-s-steiner

.github/workflows/main.yml

@@ -20,7 +20,7 @@ jobs:
         build_type: [Debug, Release]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6.0.2
 
       - name: Install dependencies
         run: |
@@ -48,7 +48,7 @@ jobs:
     if: github.event_name == 'pull_request' || github.ref == 'refs/heads/master'
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6.0.2
 
       - name: Install dependencies
         run: |
@@ -87,13 +87,13 @@ jobs:
           genhtml coverage.info --output-directory coverage_html
 
       - name: Upload coverage artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: coverage-report
           path: build/coverage_html
 
       - name: Upload test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: test-results
           path: build/test_results.xml
@@ -115,7 +115,7 @@ jobs:
           cp -r doc/html/* public
 
       - name: Upload docs artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: docs
           path: public
@@ -130,7 +130,7 @@ jobs:
     if: github.event_name == 'pull_request' || github.ref == 'refs/heads/master'
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6.0.2
 
       - name: Install dependencies
         run: |
@@ -154,7 +154,7 @@ jobs:
         continue-on-error: true
 
       - name: Upload test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: test-results-no-eigen
           path: build/test_results_no_eigen.xml