fix: rectify web artifact for deployment (#63)

Author: michalspano

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
           source: ./
           destination: ./_site
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with: 
           name: github-pages
-          path: ./_site
+          path: ./_site

.github/workflows/deploy-pages.yml

@@ -32,4 +32,4 @@ jobs:
           name: github-pages
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v4

_config.yml

@@ -2,5 +2,4 @@ markdown: CommonMarkGhPages
 commonmark:
   options: ["UNSAFE", "SMART", "FOOTNOTES"]
   extensions: ["strikethrough", "autolink", "table", "tagfilter"]
-exclude: ["_site", "exams", "docs", "data", "static", ".github", "scripts",
-         "Gemfile", "Gemfile.lock", "exams.json", "CONTRIBUTING.md", "SCRIPT_USAGE", "manage-exams.sh"] 
+exclude: ["exams", "docs", "data", "static", ".github", "scripts", "Gemfile", "Gemfile.lock", "exams.json", "CONTRIBUTING.md", "SCRIPT_USAGE", "manage-exams.sh"]