Update actions versions

Author: adamant-pwn

.github/workflows/verify.yml

@@ -81,7 +81,7 @@ jobs:
 
       - name: Restore cached results
         if: ${{ ! inputs.ignore_prev_result }}
-        uses: actions/cache/restore@v3
+        uses: actions/cache/restore@v4
         id: restore-cached-results
         with:
           path: ${{github.workspace}}/merged-result.json
@@ -160,7 +160,7 @@ jobs:
           destination: _jekyll
           write-summary: true
       - name: Save result
-        uses: actions/cache/save@v3
+        uses: actions/cache/save@v4
         with:
           path: ${{github.workspace}}/merged-result.json
           key: ${{ runner.os }}-verify-result-${{ github.sha }}
@@ -174,7 +174,7 @@ jobs:
           destination: _site
       - name: Upload artifact
         id: upload-pages
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           path: _site
 
@@ -192,4 +192,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v3
+        uses: actions/deploy-pages@v4